Military Review

VRT500 - the first Russian light helicopter

110

Development of the promising domestic multipurpose helicopter VRT500 continues. According to current plans, the assembly of a prototype will be completed in the near future, and next year it will take off for the first time. In a few more years, after passing all tests and certifications, the machine will go into series production in the interests of domestic and foreign customers. It is expected that the VRT500 will be produced in large quantities and will significantly affect the appearance of the domestic helicopter fleet.


Responding to requirements


Light multipurpose helicopters with a takeoff weight of up to 2 tons enjoy noticeable popularity in the market. Such equipment is used for the transportation of passengers and cargo of limited weight, as well as for solving special problems. Due to various circumstances, our country does not yet have its own helicopters of this class. However, this situation should change in the near future.

The promising light helicopter VRT500 should fill the empty niche. It is being developed by the VR-Technologies design bureau, created several years ago as part of the Russian Helicopters holding. The production of experimental and serial vehicles is assigned to Ulan-Ude aviation plant. In addition, foreign suppliers of components and assembly plants are involved in the project.


The preliminary design of the future VRT500 was completed several years ago, and a full-size model of the helicopter was shown for the first time at the HeliRussia-2018 exhibition. In the future, such a layout with various changes and innovations was repeatedly demonstrated at other events. Against the background of the shows, agreements and memorandums of cooperation with various customers of equipment were signed.

Since 2018, VR-Technologies and other project participants have been testing various units and structural elements. At the end of the same year, the first tests were carried out in TsAGI wind tunnels. By now, all such activities have been successfully completed, and the project has entered a new stage. Now the construction of the first prototype VRT500 for future flight tests is being carried out at UUAZ.

The first flight of the new helicopter will take place next year, but the exact date has not yet been announced. It will take about two years to test and refine the design, as well as to certify and obtain the necessary permits. In 2023, Russian Helicopters plans to launch mass production to fulfill the already signed contracts. At the same time, the assembly of new equipment is likely to be carried out not only in Ulan-Ude, but also at a foreign site.


Technical appearance


The VRT500 project provides for the creation of a light and compact helicopter with high performance characteristics, capable of solving a wide range of tasks. The length of the vehicle slightly exceeds 8 m, the diameter of the carrier system is 8,4 m. The maximum take-off weight is 1600 kg. At the same time, the helicopter will be able to carry up to 730 kg inside the cabin and up to 900 kg on the external sling. The maximum flight speed will reach 250 km / h, the range is 860 km. The service ceiling is more than 6 km.

For the new helicopter, an original teardrop-shaped fuselage was developed, made of metal and composite parts. Inside the fuselage there is a cargo-passenger cabin with a volume of 5,3 m with access through side doors or a tail hatch. Above the cab there is a propulsion system with a gearbox. The fuselage is equipped with a thin tail boom with a pair of washer keels. The models shown had a ski chassis.

In the early stages, the VRT500 helicopter will be powered by one Pratt & Whitney Canada PW207V turboshaft engine with 700 horsepower. In the distant future, it is planned to introduce a domestic VK-650V motor with similar parameters. In both cases, the required performance will be provided. Perhaps, in the future, other options for the power plant will appear, which will become an additional competitive advantage.


A support system with two coaxial screws has been developed for the VRT500. It combines reasonable dimensions and high performance. In addition, with the help of two screws, they plan to obtain additional advantages in the field of convenience and safety of operation. In particular, the helicopter will be less demanding on landing sites, and the absence of a tail rotor will prevent accidents.

The helicopter receives a modern complex of onboard equipment and a "glass cockpit". In addition, the cockpit has large glazing for improved visibility. In some modifications, the flight equipment is supplemented with special instruments. For example, a police helicopter modification can be equipped with an optoelectronic unit with a control panel in the cockpit.

The equipment of the cargo-passenger cabin depends on the tasks to be solved, and several options for different purposes have already been presented. Thus, a passenger helicopter, depending on the customer's requirements, can have from two to five seats. The cargo helicopter uses the maximum available cabin volume and also has an external suspension. Also presented are the medical evacuation option and the police modification with the corresponding sets of equipment.


Way to the market


In order to improve its helicopter and improve its position on the market, BP-Technologies cooperates with foreign organizations. So, a few years ago, she bought the Italian design bureau Vertex Aero, which has permission to develop and test aircraft. The involvement of this organization is expected to accelerate European certification and bring the start of serial production closer. In addition, in 2019, contracts appeared with Mecaer Aviation Group (Italy) and Liebherr-Aerospace Toulouse (France) for the development of avionics and other components. Cooperation with other companies in the field of targeted equipment is also developing.

The VRT500 advertising campaign at exhibitions has already yielded results. Just a year after the first demonstration of the helicopter, the first agreements were signed at the MAKS-2019 salon. The Malaysian company Ludev Aviation wished to receive five helicopters, and also plans to promote Russian equipment in the local market.

At the same time, "VR-Technologies" and "Yandex.Taxi" agreed on joint work on the topic of urban air taxi. In the future, VRT500 will be able to take over urban transportation and even enter a whole ecosystem that includes various types of aviation technology.

In the fall of 2019, an order for 10 helicopters from the Swedish company Rotorcraft Nordic AB appeared. Like the Malaysian carrier, it plans not only to operate the equipment, but also to promote it on the regional market.


The first contract with a domestic customer was signed in May this year at the HeliRussia-2021 exhibition. The carrier Russian Helicopter Systems wants to receive five new VRT500s with delivery by the end of 2024. In its fleet, such equipment will complement other samples of different classes of domestic and foreign development, occupying one of the most important niches.

In March, the VRT500 project opened up new and exciting perspectives. He was interested in the investment fund Tawazun from the UAE. Soon there was an agreement on the creation of a joint Russian-Emirati enterprise Aeroter with registration in Singapore. In the near future, Tawazun plans to order up to 200 new helicopters for delivery to a number of UAE government agencies. Purchase by private customers is also possible.

Reasons for optimism


The VRT500 project is of great importance for the Russian aircraft industry. For the first time in many years, a completely new helicopter design bureau appeared in our country. For the first time in the last few years, it offers and develops a new rotorcraft platform with high performance and wide capabilities. Such a platform is of great interest to a domestic customer and has great export prospects.

It should be noted that so far we are talking only about the calculated characteristics and the declared capabilities. The first prototype VRT500 is currently under construction and has not yet taken off. However, flight tests should begin within the next few months and will quickly show the real potential of the new design. At the same time, the presence of the first contracts and agreements already speaks of the great commercial prospects of the project. Whether these expectations will be justified will become known in the coming years - after the tests and the launch of the series.
Author:
Photos used:
"Helicopters of Russia"
110 comments
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  1. Serg Kam
    Serg Kam 1 December 2021 06: 13
    +7
    Let's be optimists and hope that the first pancake will not be lumpy for VR technologies.
    Small aviation is extremely important for Russia.
    1. URAL72
      URAL72 1 December 2021 06: 34
      0
      Helicopter manufacturing in Russia is well developed; there was no major failure in the 90s either. The new design bureau employs many experienced specialists, for example, from the Kamov design bureau. I think everything will go according to plan, especially since there are customers.
    2. Lech from Android.
      Lech from Android. 1 December 2021 06: 34
      +32
      And I don't see optizmism here ... if you remove all the enthusiasm from the article and see how small aviation is being introduced in our country in reality, you can quickly lose optimism.
      The helicopter is sharpened for sale abroad ... that's what I understood from the article ... it doesn't need our market ... the imported engine speaks about it ... where is import substitution ... all this crap.
      1. just exp
        just exp 1 December 2021 06: 47
        -5
        how many fans here on the site cry that everything is bad and only gets worse. and the better reality becomes, the more these mourners whine that things are only getting worse.
        otherwise I have orders for hundreds of cars at a price of hundreds of thousands of dollars, and maybe even under a million, with a potential increase to a series of a couple of thousand cars is no longer happy.
        I'm not happy that design bureaus and factories will receive money, engineers work and experience, the country will receive money from taxes, and later a domestic engine will appear (bots have been whining for years that PD-14 and others like them this is a cartoon of Mosfilm and reality will never appear), the main thing is to drown in positive article and spoil the mood of others, because the botnet customer was paid only for the bad moods of the resource visitors.
        1. Lech from Android.
          Lech from Android. 1 December 2021 06: 54
          +27
          No, not much ... I read the article and constantly see the words are planned, it will be possible ... you first do the job, implement the product in life ... bring the idea to its logical conclusion and only then blame the mourners for all sins ... and since the 90s I have heard the sea of ​​promises and space projects ... I have no confidence in empty words. hi
          1. just exp
            just exp 1 December 2021 06: 57
            -17
            and I read the comments and as I see your nickname, so immediately crying, and even in those articles where you need to rejoice.
            there are too many bots of you, and you appear in articles about politics and new technology in Russia.
            what did Kiselev say there? Coincidence? do not think...
            1. Lech from Android.
              Lech from Android. 1 December 2021 06: 59
              +20
              And I read your commentary and article and immediately Rusnano and Skolkovo remember ... a lot of things were promised to the citizens of Russia ... why should we go over the ears again until the work is done to the end.
              Start the helicopter so that it can fly, release a batch, sell at least a dozen to our market and I will applaud you ... as well as your chatter about what has not yet been done is difficult to comment on.
              1. just exp
                just exp 1 December 2021 07: 10
                -13
                when you read my comments, you can remember that the Su-30,34,35, already several hundred in the ranks, that the Zircons are already mass-produced in Reutov, that the Mi-28, Ka-52 in the series have already passed a couple of hundred the release of the latest versions of the Mi-8 (modernized, not old models) is not considered news at all, even in what is considered a failure, I'm talking about the fleet, we already have several dozen new ships.
                and we are in order with food security, for once and for all we sell wheat, and almost the first in the world market, and more recently we bought everything in Zakordon, we have our own chicken and even export it, we have our own pork and even export it, the share of beef in imports has dropped by 4 times.
                but someone only sees it and how much.
                Well, what can I do if bots look at the world through glasses where on one “point” there is an inscription “Rosnano” and on the other “Skolkovo” and they cannot see anything else because of this. these are their problems, not mine.
                but others in the soul they constantly shit.
                but she is such a karma, liars will suffer for my lies later, his silver coins poured out bitter tears for Judas, and they will pour out bitter tears for the new Judas, the falsehood eventually died.
                1. Lech from Android.
                  Lech from Android. 1 December 2021 07: 23
                  +9
                  You speak beautifully ... military orders must be fulfilled on time, otherwise the state will not pat the head ...
                  let's see how things go with this civilian helicopter in a year or two ... time will tell how sincere you are in your words.
                  Well, as for meat, eggs, milk ... prices for everything soared twice ... I'm buying less because of the rise in prices ...
                  so that my brains do not soar with victorious reports.
                  1. just exp
                    just exp 1 December 2021 07: 40
                    -10
                    lol, and if other orders are not executed, will they stroke the head?
                    in a year or two, there will be no business with this helicopter, because the release will be from 2024, that is, 3 years.
                    and yes, I admit that another term may be shifted for a year. for me this is not a tragedy, the main thing is that the release would begin.
                    well, the prices ....
                    I don’t like it either, but these are the realities, although wages on average have also grown, in our region (in our region, and there are depressed regions in the country) in 2010, for 30 thousand many raboli and considered it a good wage, now wages in 35 thousand is considered almost a handout. although yes, prices have risen more than salary
                    but I’m about success, not about reasons to moan, I am aware that we will find a reason to moan that everything is bad, if I write about the release of new technology, you will start writing about gasoline prices, if they write about success in healthcare, then you start writing that shoe covers in hospitals are disposable, and this is bad for the environment, that if we start developing milk, you will start writing that cow bunches destroy the ozone layer of the planet.
                    I am aware that professional mourners can discredit ANY positive news with their whining, which I see here again.
                    1. Lech from Android.
                      Lech from Android. 1 December 2021 07: 49
                      +7
                      Earlier I did not mention either the price of gasoline, or about meat ... this already carried you into the jungle ... positive news will come from you when what you declare will actually fly and be produced in the civilian market ... and that's just me greetings ... again, your promises and hopes should be supported by deeds ... no need to present any news as a success without concrete deeds ... this will only discredit this news. hi
                      1. just exp
                        just exp 1 December 2021 08: 12
                        -9

                        and who wrote it?
                        Quote: Lech from Android.
                        Well, as for meat, eggs, milk ... prices for everything soared twice ... I'm buying less because of the rise in prices ...
                        so that my brains do not soar with victorious reports.

                        someone's crying instead of being glad that we have success in some directions to immediately moan about prices?
                      2. Nazar
                        Nazar 1 December 2021 20: 32
                        +5
                        just explo - How did you write - "rejoice"? What, the next "promise"? Don't remember what you wrote about "Ansat" - huh? And what about Ansat now? And here it will not be better - dvigun PW is a verdict - there will be no serial production, our plant (and I am from Ulan-Ude) will only waste time and money in fiddling with this product, just as Kazan flew with Ansat.
                    2. prior
                      prior 1 December 2021 10: 38
                      -1
                      Russia needs this helicopter just like the Aurus car.
                      Without him, well, no way ...
                      There is nothing for Rashkin to fly on the hunt.
                      1. good
                        good 16 February 2022 02: 50
                        0
                        Aurus is putting on a conveyor instead of a dozen piece copies from special workshops that sculpted zil and seagulls in the CCCP. Money needs to be earned and not just spent, plus to give work to thousands of Russian citizens in a huge chain of cooperation and not a hundred others. and develop competencies. The same goes for any technology industry. Nothing will move by itself, you need to work and use all the possibilities.
                      2. prior
                        prior 16 February 2022 09: 42
                        0
                        1.5 billion rubles for one member carrier!
                        Some members and the development of competencies are too expensive for the people.
                2. AUL
                  AUL 1 December 2021 10: 09
                  +8
                  Quote: just explo
                  bots look at the world through glasses where on one "point" the inscription "rusnano" and on the other "skolkovo" and they see nothing more because of this

                  Do we have any problems with Skolkovo and Rusnano? Did I miss something? Or about them it is impossible to remember, so as not to "confuse reporting" (c)? wassat
                3. p0pulivox
                  p0pulivox 1 December 2021 20: 51
                  0
                  just explo (just explo)

                  If you can, do without propaganda hysterics, otherwise everything was spattered with saliva!
              2. Artyom Karagodin
                Artyom Karagodin 1 December 2021 09: 00
                +8
                About small aircraft. It is being introduced after all. Specifically, in my city, seriously ill patients have not been transported to the region by cars for a couple of years, as before. For this, there are domestic Ansat helicopters, purchased for the medical aviation of the region. Yes, while they have foreign engines, but the VK-650 will soon be in the series. So you can be optimistic here.

                VRT, as I understand it, is of a smaller class, so over time our cars will occupy another niche, and not foreign cars. I think that everything should work out for the developers as it should.
                1. dauria
                  dauria 1 December 2021 09: 38
                  +3
                  I think that everything should work out for the developers as it should.

                  The developer will do. Not something awful, it's impossible, but average at best. The market has long been crammed with serial cheap cars. Including used. To put them a tall fence of duties and other "norms" is the task of the government. Cope - so at least the domestic market will be ours. No, and they will cut it on any "Robinsons". And on airplanes - on "Tsesny" and "de Havilands".
                  Look how nicely our "partners" have treated our vaccine. winked To do the same - buy imports, pay for fault detection, conclusions, tests, overflights, inspections, blowdowns, pumping up to TsAGI and so on, etc. Oh, do you have a certificate? It is wonderful ! Yes, you see, here is a supplement to it. It makes noises quite like that, it should be checked. Pay at the cashier. wassat
                  1. not main
                    not main 1 December 2021 22: 37
                    0
                    Quote: dauria
                    dauria (Alexey) Today, 09:38 New

                    I don’t understand who molds a minus to you? And most importantly for what? For a common sense and professional assessment of the situation?
              3. Pivot
                Pivot 14 February 2022 11: 19
                0
                For example, more than 100 SSJs have been sold, and with each car sold there is even more whining, let's say I constantly fly these planes and am very pleased that they exist, but there is a flock of jackals constantly whining in every news about the plane.
        2. Dude
          Dude 1 December 2021 07: 07
          +13
          ... orders for hundreds of cars at a price of hundreds of thousands of dollars, maybe under a million, with potential growth to a series of a couple of thousand cars ...
          This, of course, is great, but the helicopter does not yet exist "in metal", the characteristics are exclusively calculated, the engine (the phrase about equipping with a domestic engine "in the distant future", you must agree, is not very happy) and other components are foreign, and the victorious reports are already ready.
          Recently, there have been a lot of announcements, first we will declare, and then, as usual, we shift the terms "to the right".
          In addition, "hundreds of orders", as you write, simply, no, don't be cunning, read the article carefully.
          1. just exp
            just exp 1 December 2021 07: 24
            -12
            Unlike the checkmate, this helicopter already has foreign customers, the ending with the letters "I" in the word customers, as it were, hints that the customer is far from one.
            this helicopter has already been designed for several years and should begin production in 3 years.
            1. Dude
              Dude 1 December 2021 07: 39
              +10
              Quote: just EXPL
              Unlike the checkmate, this helicopter already has foreign customers, the ending with the letters "I" in the word customers, as it were, hints that the customer is far from one.
              this helicopter has already been designed for several years and should begin production in 3 years.

              Alas, not everything is so rosy. There are only 15 orders, from two customers - Malaysians (5) and Swedes (10). Open sources do not specify how "hard" orders are. Emirates are only "planning". The history of aviation knows a lot of cases when even "firm" orders from famous air carriers were canceled. In this case, little or even unknown firms act as customers.
              In addition, the deadlines for this project have already been shifted "to the right" - the certification and testing of the finished helicopter should have passed back in 2020.
              https://ria.ru/20191118/1561074938.html
              So, I would not overdo it with optimism, although I really want to be positive.
              1. just exp
                just exp 1 December 2021 08: 16
                -13
                IMHO just this project has all the chances to take off, as well as checkmate.
                there is more just because of the Arabs.
                The UAE has repeatedly demonstrated that it wants more ties with Russia, because it understands that oil is already losing ground, after 10 years the need for it will drop by at least a third, and after another 5 years, generally by 2-3 times.
                they want to create their own industry. and the states and the EU deny them this. therefore, IMHO, it is the Arabs who will invest in this project on the condition that then at least the assembly of these turntables will be opened in the UAE
                1. Dude
                  Dude 1 December 2021 09: 17
                  +9
                  Quote: just EXPL
                  IMHO just this project has all the chances to take off, as well as checkmate.
                  there is more just because of the Arabs.
                  The UAE has repeatedly demonstrated that it wants more ties with Russia, because it understands that oil is already losing ground, after 10 years the need for it will drop by at least a third, and after another 5 years, generally by 2-3 times.
                  they want to create their own industry. and the states and the EU deny them this. therefore, IMHO, it is the Arabs who will invest in this project on the condition that then at least the assembly of these turntables will be opened in the UAE

                  We are now not in a position to rebuild the industry for the Arabs - God forbid, to raise their own, to offer us, especially, there is nothing. And the United Arab Emirates will, as before, follow in the American wake and do what they are commanded from the United States. The Emirates are not a subject of world politics.
                  1. just exp
                    just exp 1 December 2021 10: 00
                    -10
                    Jordan also hangs out in the channel of the UWB, but this did not stop them from building a plant for the production of RPGs.
                    and the UAE has long been watered. level, they roll up to ours, yes, they are still afraid of mattresses, but they do not forget about ours.
                    among those rich Arab countries, they are the most loyal to us. and the assembly can be shared (with the Indians, they shared the assembly of the Su-30 and T-90) if they help with money to establish a large production in our country.
                    I'm more interested in the fact that it was the UAE that lobbied for the construction of checkmates, and this is not a civilian small helicopter, they have serious reasons for rebelling against the owner, and as I understand it, they are serious. as Deutschie with SP2
                    from the pros - ours additionally get access to modern French electronics
                    1. Dude
                      Dude 1 December 2021 10: 44
                      +7
                      Jordan also hangs out in the channel of the UWB, but this did not stop them from building a plant for the production of RPGs.
                      and the UAE has long been watered. level to our drive up ...
                      Apart from weapons, they do not need anything from us. Screwdriver assembly of helicopters in the UAE - what is our profit? Canadian engines, Italian / French avionics, what will ours be there?
                      ... if they help with money to establish a large production here ...
                      And here I do not understand - what, in your opinion, is the profit of the Arabs? What is the point for them to invest in our production if they have their own? I see no logic.
                      ... from the pros - ours additionally get access to modern French electronics ...
                      How will this happen?
                      In any case, - this is the carving of the skin of an unkilled bear - the helicopter has not even taken off yet.
                      1. just exp
                        just exp 1 December 2021 10: 55
                        -9
                        our first assembly, and then our engines and avionics will be. and since I already wrote, we get access to French technologies for Arab money, from below they have already posted comments that this is, in principle, an Arab project, but the Arabs are a little stupid to pull it, so they took us in
                      2. Dude
                        Dude 1 December 2021 11: 56
                        +7
                        Quote: just EXPL
                        our first assembly, and then our engines and avionics will be. and since I already wrote, we get access to French technologies for Arab money, from below they have already posted comments that this is, in principle, an Arab project, but the Arabs are a little stupid to pull it, so they took us in

                        I repeat: please explain to me how do we get access to French technology? Will the Toulouse people build us a plant for the production of components and transfer all the know-how? And the Arabs for this whole banquet go off?
                        Do not make me laugh.

                        In addition, upon closer examination, the car is not so "ours" - the components, the engine, the design - everything is foreign.
                        In addition, everything that is written in the article was already voiced two years ago.
                      3. Alexfly
                        Alexfly 1 December 2021 11: 58
                        +12
                        VK-650V is the talk of the town - for more than 10 years diferambs have been singing, and things are still there, you can tell with a positive connotation, but when the industry is not able to produce components, then this is a different story ..
        3. Looking for
          Looking for 1 December 2021 16: 19
          +8
          and I think that there are too many would-be optimists.
        4. faiver
          faiver 2 December 2021 00: 02
          0
          and what gets better in reality
          - laughing laughing
          The official Rosstat average salary in the country has grown from 2013 to 2021 from RUB 29792 to RUB 51083, that is, from $ 940 to $ 708. - of course it gets better and better ...
      2. Piramidon
        Piramidon 1 December 2021 16: 19
        -8
        Quote: Lech from Android.
        .. the import engine speaks about this ... where is import substitution ... all this is crap.

        Didn't you have enough strength to read it completely?
        In the distant future, it is planned to introduce a domestic VK-650V motor with similar parameters
      3. g1v2
        g1v2 3 December 2021 15: 10
        +1
        Our airlines have 49 cars of this size. Of these, 37 are AS 350 Ecuray and AS 355 Ecuray2. Another 10 - Robinsons 44 and 66. For our market, developing an ultralight helicopter is completely unprofitable. Well this is basically a member. How much can we sell them at home? Well, if you're lucky, there are 50 more pieces. But the external market for such turntables is huge. These are taxis in developed megacities and memberships for businessmen. And the fact that with all our power of helicopter construction, we did not in any way spill this market, to such an extent that imported turntables were bought inside the country, because we stupidly did not have such a dimension - it was stupidity. Now, in fact, Russian Helicopters are closing those niches that were not occupied with us and are creating a full line. It looks something like this.
        Ultralight helicopters (up to 5 people or less ton) -VRT500.
        Light (6-10 people or 1-2 tons) - Ansat and Ka226.
        Medium (11-20 people or 2-4 tons) - ka62.
        Heavy (more than 20 people or 4-6 tons) - line mi8, mi172, mi38.
        Super heavy (more than 70 people or more than 20 tons) - mi26.
        After the release of vrt500, it will be possible to say that Russian Helicopters are ready to offer customers helicopters of any size and capacity.
        1. Titus_2
          Titus_2 7 December 2021 10: 32
          0
          Excuse me, but is the 26th released?
          1. g1v2
            g1v2 7 December 2021 21: 26
            0
            There is still a certain amount of Ukrainian engines for them. Plus, in the case of delivery to foreign customers, Ukrainians are ready to supply engines. Well, for ourselves we are waiting for pd12v. PM in case of conclusion of contracts, they will be built.
      4. IVZ
        IVZ 29 May 2022 09: 33
        0
        There is still a reason for cautious optimism, after all, some kind of movement, development, a new basic design, finally. And this is training and a kick for "import substitutes" and additional competition. I don’t know what will really work out, but niche positioning and design and attracting foreigners. sensible specialists, here state support would not hurt.
    3. Bar1
      Bar1 1 December 2021 10: 12
      +8
      for a long time already ours in 2008. designers from Kumertau offered their own helicopter



    4. Real Pilot
      Real Pilot 1 December 2021 18: 22
      +3
      I saw this device at the HeliRussia exhibition. It has been shown there every time since 2018 ...
      Actually, in the photo is the same layout. The fact that this is not a flight option can be immediately understood, from a half-glance, by the column of rotors, it is made absolutely schematically and non-functional. But okay - a layout is a layout.

      Regarding its place in small aircraft, I can say that it will be expensive for private use by enthusiasts. They will install a turboshaft engine, which is very expensive. Plus dimension for 6 people, coaxial rotor layout. For the rich, the very rich.

      My experience of flying a really massive Robinson R-44 suggests that this VRT500 will not achieve such a number of produced machines.
      First, the Robinson piston, this is a different engine price and maintenance schedule. Plus, in Robinson, a belt drive of the main rotor through a clutch is used, the kinematics are several times easier, and our new device will have a full-fledged gearbox. As many as 6 blades versus two ... And the piece production, especially at the initial stage. The pictures show a "glass cockpit" in the form of aerobatic instruments with screens - not cheap, especially if imported ones are supplied (inevitable for certification abroad). Although, to be honest, we already have our own domestic ones. Robinson, if not renting it, but buying it, already costs more than half a million dollars new. But it is simple and reliable, there is especially nothing to break during normal (I emphasize) operation.

      In general, who is this helicopter for? For transportation in the public sector, in large and medium-sized companies, if necessary, where exactly the conditions of public procurement are required.
      The rich will buy foreign cars, where all the parameters are time-tested, and for private widespread use it is excessively expensive, although attractive.

      Believe me, I am absolutely for domestic aircraft. But for now, the proposed car should fly and more clearly demonstrate its capabilities. And the price should not bite, because it can be a heavy sentence for his role in small aircraft.
      And, in principle, there are prospects. Go for it, aircraft designers!
    5. venik
      venik 1 December 2021 22: 09
      +1
      Quote: SergKam
      Let's be optimists and hope that the first pancake will not be lumpy for VR technologies.

      =======
      Why "first"? The first ("pancake") was just the Ka-115, which was supposed to take off back in 1999 ... But it never took off ...

      Let's hope that the VRT-500 (and why is the name in Latin letters?) - this cup will pass and everything will go fine!
  2. The comment was deleted.
  3. Ros 56
    Ros 56 1 December 2021 06: 48
    +6
    Insufficient experience of MS-21 and Superjet, what kind of stupid fashion, to ride a rake? fellow After all, these Western oglamons will be thrown at any moment. wassat
    1. just exp
      just exp 1 December 2021 06: 54
      -11
      here, for the most part, the customer is foreign, that is, like the checkmate was made for foreigners, so I think that they will not be thrown in the near future, and our emnip engines are already designing for 2 years, by the year 25 they promised to make a large line of different motors from ultra-small for UAVs to medium for small helicopters and aircraft. from memory I will not say for sure, but it seems from 100 hp to 1200 hp.
      1. Ros 56
        Ros 56 1 December 2021 07: 08
        +9
        Yes, there is no customer there, the creators think that there will be many customers, and Biden will lead the wrong side with an eyebrow and they are bankrupt. But it is necessary to develop and be sure to take into account not only economic aspects, but also political ones, and they are sometimes unpredictable.
        1. just exp
          just exp 1 December 2021 07: 46
          -11
          In general, I agree, this is politics, but there is really good news for us, we are attracting most of the French here, and they remember how, in gratitude for the refusal to give us Mistral mattresses from the French, they took the Australian contract for $ 60 billion for the nuclear submarine.
          and french, well, ooooooochen got very angry about this and I don't think that now they will refuse contracts at the behest from overseas and, let's say, the supply of small civilian turntables is far from a strategic sphere.
          1. shtatsov
            shtatsov 1 December 2021 14: 43
            0
            Maybe, but not a fact! In politics, a lot of people have recently started shooting at their own feet. Suicides are crappy!
      2. Looking for
        Looking for 1 December 2021 16: 24
        +6
        do you know how today's Russia differs from the USSR? The USSR did it from the beginning, and only then declared, and Russia, on the contrary, has not done anything yet, but they are already ringing the whole country.
  4. Free wind
    Free wind 1 December 2021 06: 51
    +6
    about 70 years ago, the USSR began to produce helicopters with similar characteristics. Only much cheaper and more economical. MI-1. MI-2
    1. Ros 56
      Ros 56 1 December 2021 07: 03
      +2
      Well, the Mi-1 is already past time, after all, the first-born, but it gave a ticket to the sky to many. But the Mi-2 still flies, and if you seriously modernize it, including the appearance, then I think it will plug many in the belt. I hope many people remember the history of the creation of the magnificent eight Mi-8.
    2. URAL72
      URAL72 1 December 2021 07: 11
      +1
      Only much cheaper and more economical. MI-1. MI-2

      Well, we started producing gliders even earlier, and they are even cheaper and more economical. What is your post for? We don't need light helicopters? Do you trade Robinsons? Can you recalculate the cost of the Mi-1, Mi-2, for example, for deliveries to Algeria in the 70s at the rate adjusted for inflation? Are you sure they were "more economical"?

      PS: idle chatter.
  5. Ross xnumx
    Ross xnumx 1 December 2021 07: 09
    +7
    The promising light helicopter VRT500 should fill the empty niche.

    Fucking a niche! Which of the 145 million citizens of Russia needs this craft? For what purpose? Fly fishing or pick mushrooms and berries to places where you have not yet managed to shit?
    In addition, foreign suppliers of components and assembly plants are involved in the project.

    See, dancing on a rake (the story of the SSJ-100, MS-21, etc., etc.) taught you nothing? And when did Canada become a worthy trusted partner? Canada is a country that, at the whistle of the USA, gets into any conveniently consumed position ... fool
    I forgot something, how there about cabbage

    about a cat that has nothing to do?
    1. shtatsov
      shtatsov 1 December 2021 14: 48
      +2
      In Tyumen, in front of my windows, a similar helicopter flies almost every day. Toli sanitary aviation, roofing felts serve pipelines and power lines. Its fuel consumption and maintenance cost are all less, for example, the Mi-8 will be. He is needed not only to transport oligarchs.
      1. Ross xnumx
        Ross xnumx 1 December 2021 16: 06
        +2
        Quote: shtatsov
        He is needed not only to transport oligarchs.

        And he will only carry oligarchs!
        The tiles that are laid in Moscow every year have absolutely no effect on the quality of roads in the Novosibirsk region. And all serials like: "Sklifosovsky" will not change the state of hospitals where people are put in the aisles ...
        There is no demand for such aviation in Russia. In our country, people have abandoned all abandoned mono-cities and villages. They have nowhere to fly. But believe me: civil aviation in the Russian Federation will grow with such helicopters.
        Quote: shtatsov
        In Tyumen, in front of my windows, a similar helicopter flies almost every day.

        If you have something under your windows and flies, then this is a similarity:
      2. Looking for
        Looking for 1 December 2021 16: 32
        +5
        no one denies the need for such a class of helicopter
    2. Serg Kam
      Serg Kam 1 December 2021 15: 39
      -2
      Which of the 145 million citizens of Russia needs this craft? For what purpose?

      Is there no life beyond the Moscow Ring Road?
      In Russia, there are no small villages, delivery to which only by air? We don't need medical aviation? Border outposts? (They, you know, for some reason, not in large cities, but in the wilderness). Even lighthouses - how to get there?
      Walking through forests, mountains and seas?
      Transport is the blood of the state. If there is no transport, there will be a withering away.
      And if you consider that we have the largest territory in the world, and there are about the same number of roads as in tiny Japan, small aircraft is the only way to revive Siberia and the Far East.
      1. Ross xnumx
        Ross xnumx 1 December 2021 16: 28
        +2
        Quote: SergKam
        Is there no life beyond the Moscow Ring Road?

        Where are you recruited from? Outside the Moscow Ring Road, people have completely different needs !!! You are stubborn, as representatives of the genus of cloven-hoofed animals of the bovid family.
        There is no longer the strength to tell you the same thing. Come and ask people (outside the Moscow Ring Road) what worries them the most and what they want. Come to Belovo, go to Mezhdurechensk ... There you will learn everything ... Reminds me of one monologue (1981 "Dust in the eyes") from 6:35
        1. Serg Kam
          Serg Kam 1 December 2021 22: 51
          -5
          Outside the Moscow Ring Road, people have completely different needs !!!

          ABOUT!!
          Please, tell us what needs are beyond the Moscow Ring Road. I'm really interested in it.
          Come on, just without pathos and demagoguery.
          PS - I remembered how an Mi-8 flew to a friend at the lighthouse (he is the caretaker) with a pair of parasites - to find out who he would vote for. Knowing how much an hour of Mi-8 flight costs, a friend sighed strongly that it would be better to leave him without a vote, and the money for the flight was transferred to him.
          1. Elturisto
            Elturisto 1 December 2021 23: 37
            0
            The operation of the Mi-8 is cheaper than that of imported helicopters with four times less takeoff weight.
            1. Serg Kam
              Serg Kam 2 December 2021 00: 25
              -2
              The operation of the Mi-8 is cheaper than that of imported helicopters with four times less takeoff weight.


              Proofs will be?
              Or the main thing is to say?

              For 2017, the cost of operating a Mi-8 helicopter per hour is about 130-140 thousand rubles, so an hourly rental costs about 180 thousand rubles.
              https://kamchatkaland.ru/note/vertolet-mi-kamchatka

              The cost of renting Robinson is about 44 thousand.
              https://www.taxiheli.ru/rent-price/
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      2. Alf
        Alf 1 December 2021 19: 08
        +3
        Quote: SergKam
        Transport is the blood of the state. If there is no transport, there will be a withering away.

        And the authorities know this very well, and they are developing this topic ...
  6. Konnick
    Konnick 1 December 2021 07: 16
    +15
    An empty niche, but for whom this expensive helicopter with an imported engine. Or maybe such a plane is better
    And it costs 30 thousand American rubles, not 300 thousand. Alaska has filled a niche for a long time. Cheap, simple and reliable. Wipe the main windshield and shake off your feet.
    1. Konnick
      Konnick 1 December 2021 07: 23
      +14
      And in Alaska, competitions are held for the shortest take-off and landing.
      Here is the popular transport.
      1. Lech from Android.
        Lech from Android. 1 December 2021 07: 29
        +5
        Seen earlier ... this video ... virtuoso no words.
      2. Alexfly
        Alexfly 1 December 2021 12: 12
        +4
        Luxurious takeoff and landing, but there is nowhere to put luggage, elite users do not need such a product ... gloat
    2. vadimtt
      vadimtt 1 December 2021 10: 24
      +10
      Such airplanes of the VSTOL class will never go to Russia - there is too much freedom of movement for cheap. Moreover, it is too safe, compared to helicopters.
      1. SSA
        SSA 1 December 2021 12: 18
        -6
        but what does freedom of movement have to do with it? Take a car for 1000 rubles. and go even to Kamchatka. Me with a salary of 000 thousand rubles. the fact that this single-seat aircraft exists is as beneficial to freedom of movement ... as the existence of a rover on Mars.
        1. vadimtt
          vadimtt 1 December 2021 12: 50
          +6
          You will not get to places where there are no roads by car, even for 100 lam laughing
          And there are a lot of such places in our country, not like some kind of Alaska.
          And here, as always, it all depends on who owns such a technique. Marriages will also enjoy increased mobility.
          1. SSA
            SSA 1 December 2021 13: 16
            -5
            Where there are no roads, there are no airfields even more ... We are ready to take a UAZ and at a speed of 120 km. in an hour to drive through a field completely unfamiliar to you? About the same thing will happen if you want to land on this plane in an unfamiliar clearing. One bump and you're finished. And to the point of such transport, well, you sat down in a clearing, and what can you bring with you? A backpack and a gun?
            Buy an all-terrain vehicle "Sherpa" and you will ride comfortably and safely where there is no one else.
            In other situations, only a helicopter. In no way the plane will be able to compare with the rotary-wing machine, in terms of landing on an unprepared site, well, nothing.
            1. Serg Kam
              Serg Kam 1 December 2021 15: 42
              0
              Where there are no roads, there are no airfields even more ...

              What kind of nonsense?
              How long have they built a road to the same Kuril Islands? And people live there.
              Kamchatka is a bunch of villages. Siberia - the north is in permafrost, there are no roads there.
              1. SSA
                SSA 2 December 2021 08: 10
                -2
                Let's figure it out! I did not say that small aircraft are not needed in Russia! And he didn't say anything about the villages! I myself lived in such a village in Siberia, and saw how An-2 landed there.
                I'm talking about PRIVATE one-two-seater small planes and their need for the citizens of Russia. Here I am a hunter, I want to hunt with my friends in the deep taiga. Why do I need it? You cannot sit in unfamiliar terrain, this is not a helicopter! It's easier for me to buy something like "Sherpa" and go for a long time, many do so. There is zero sense from this plane for the village and the citizens living there! What's the use of the fact that for 500 people living in the village, there will be one or two rich, who will have their own small two-seater planes?
                1. Serg Kam
                  Serg Kam 2 December 2021 08: 21
                  0
                  PRIVATE one-two-seater small planes and their need for Russian citizens

                  Well, for the sake of fairness, these private jets are also needed.
                  Of course, not for fun, but by the same farmers (to spray the fields), in geology, in tourism.
                  Agree, it's nice to take off and ride tourists around a volcano in Kamchatka. Or take them to Shumshu - to show the places of past battles and ancient Japanese pillboxes.
                  And just in a distant village - a man flew to the city, he can send mail, buy what he needs.

                  Of course, changes in legislation will be necessary, but in general, affordable small aircraft can give an impetus to the development of abandoned territories.
                  1. SSA
                    SSA 2 December 2021 08: 57
                    -1
                    Other planes are used to process the fields. A farmer would rather buy a tractor or order processing by special aviation than buy himself such an aircraft.

                    Take tourists to Shuma, around the hills, carry mail, buy what is needed - commercial transport services. Business. This is a completely different story. It's like buying an Oka car and working like a minibus. Yes, you can, but only at a loss, or wind up a huge price.
                    And for commercial transportation you need "Cessna - 208 Grand Caravan" but this is a completely different calico ...
                    And personally for myself, for a sense of the feeling of flight, ... I would probably choose an autogyro))) But it is not cheap either.
    3. Alexfly
      Alexfly 1 December 2021 12: 04
      +4
      Nikolay, well, you understand that for hunters, fishermen and just fans of such handsome men they will not build, right there for the elite and for those who have everything in order with folding .. VIP class, not otherwise ..
    4. SSA
      SSA 1 December 2021 12: 14
      -3
      Yes?! Do we have many citizens who can buy an airplane for $ 30? And how many of these capable, are willing to pay for training for a pilot's license? Do we have many airfields left? What about paying for parking and use? ...
      1. Konnick
        Konnick 1 December 2021 12: 40
        +5
        Yes?! Do we have many citizens who can buy an airplane for $ 30? And how many of these capable, are willing to pay for training for a pilot's license? Do we have many airfields left? What about paying for parking and use? ...

        At one time, cars were made only for the rich, but Henry Ford refuted this and made America a great automobile power. William Thomas Piper became the aviation Henry Ford. He has been producing such aircraft since the 30s of the last century. And we, with our open spaces, need to develop small aircraft, and not build models of helicopters for Arab sheikhs, especially since we will not compete with other people's engines.
        1. SSA
          SSA 1 December 2021 12: 59
          -3
          The plane you showed has nothing to do with small aircraft. What development will small aviation receive from the fact that 100 rich people in the Tyumen region buy one - two-seater planes ???
          An example with Henry Ford and a personal car is not a good one. How many people from us can afford to buy a Lesnik-type swamp-going vehicle for 2,5 million rubles? But it is easier and cheaper to fly a swamp-going vehicle than it would be to fly a single-seat plane.
      2. vadimtt
        vadimtt 1 December 2021 12: 45
        +7
        Enough of such people, well, you can join hands, on the state farm. And even more places where such a machine will provide food, medicine, correspondence, etc. Well, emergency delivery to the hospital. And not in a day, but in an hour. The airfield is a clearing near the hut, parking is at the pigsty, service is like any other technique, some problem is only with the motors, sometimes you have to fly to the service station. Education, where all this is really used in life, is not very expensive, the license is the same. It is a pity that this is far from the case with us, small aircraft are in full enclosure, moreover, consciously.
        1. SSA
          SSA 1 December 2021 13: 03
          -6
          What a fold ?! What state farm? And what does medicine have to do with food and correspondence ?! This is a single seater plane! It will be very expensive to fly around the huts and pigsties))). Once again, this single-seat aircraft is not a small aircraft at all. If we talk about small aircraft, then these are aircraft of the "Caravan" type and the like for 10 people. And these are completely different cars, passengers, and passengers, this means responsibility, etc. ... what does a single-seat plane have to do with it?
          1. Konnick
            Konnick 1 December 2021 13: 12
            +5
            This is a single seater plane!

            Well, in general, this is a whole series of aircraft. But the smallest two-seater and 200 kg of cargo with a range of 350 km. 75% of American pilots have learned to fly this plane.
          2. vadimtt
            vadimtt 1 December 2021 13: 40
            +3
            I do not know, I was thrown to the island on a similar, only 4-local post office. The takeoff run against the wind is less than 10 meters of an ordinary beach, landing on a clearing from the ocean, its length is 20 meters and its width is about the same, just the palm trees were removed. No problem, it was still packed with cargo for the locals. As far as I know, such planes are actually used instead of cars, almost drive to the store for vodka wassat And very intense.
            1. SSA
              SSA 2 December 2021 08: 21
              -1
              You see, you say you were "thrown" You are talking about TRANSPORT. This is not the same, here is a completely different matter, and here it is better to have a larger plane, for 8 passengers, otherwise it simply will not pay for itself. And me, for 12 thousand rubles, they threw me to the Kantegir river, to the taiga, to the mountains in a GAZ-66 (4-5 hours of driving along the roads, rivers). And no plane will land there. But the helicopter - please. And if we had a light commercial helicopter with normal fuel consumption, and not the hefty and gluttonous Mi-8, it would be happiness!

              As for private one-two-seater planes ... In the next 20-30 years, they simply have no prospects in Russia. Too few people can afford them. And of those who can afford, who want even less, it is better to buy a Bentley - herently or some other Ferrari.
      3. Snail N9
        Snail N9 1 December 2021 14: 11
        +9
        It is strange in a country that, according to many here at VO, will soon go bankrupt, disintegrate, die from Yellowstone, etc., many farmers have such airplanes in hangars, and in Alaska, almost everyone has personal transport. It’s strange how they manage to buy an airplane, go through training, and pay for maintenance and parking, etc.? And this in a country that, according to many here on VO, is falling apart before our eyes and in which heaps of beggars are lying on the streets? And if you add here freedom with weapons there, then in general ... And how they rot there with all this, it's not clear ... request But in our "socially oriented" "raw material superpower" all this is unattainable because caring for a person is the main thing for us - ... as if, what he did not think up and did ... yes
  7. Nafanya from the sofa
    Nafanya from the sofa 1 December 2021 07: 31
    +14
    VRT500 will receive one Pratt & Whitney Canada turboshaft engine

    There will be no sense from a helicopter with a Canadian engine. Even if we manage to push it into the series, then at the first signs of commercial success, the supply of engines will be stopped. Until there is one of its own, the Russian engine is a piece copy.
    1. donavi49
      donavi49 1 December 2021 09: 52
      +6
      This is the headache of the sheikhs. They finance the helicopter. They own half of this project. They are also involved in its promotion and sales.



      It has a design from an Italian bureau, filling from Liebher-Aerospace. He is promoted primarily abroad, as an interesting aerial stallion, with a twist.
  8. AlexVas44
    AlexVas44 1 December 2021 08: 26
    +1
    Why is VRT obligatory, why, for example, not Come?
  9. Aviator_
    Aviator_ 1 December 2021 08: 32
    +8
    In the distant future it is planned to introduce a domestic VK-650V motor with similar parameters.

    After that, you don't have to read the note. There will be no it.
  10. Undecim
    Undecim 1 December 2021 08: 43
    +14
    The promising light helicopter VRT500 should fill the empty niche. It is being developed by the VR-Technologies design bureau, created several years ago as part of the Russian Helicopters holding.

    Briefly about what was never written in the article, as always, consisting of tons of water and grains of information.
    To begin with, BP-Technologies is 50 percent owned by Tawazun Holding from Abu Dhabi.
    "Look", as the author likes to write, was developed by the Italian design company ItalDesign Giugiaro.
    The Italian company "Mecaer Aviation Group" has developed and manufactures control systems and hydraulic systems, as well as cabin equipment.
    The French Liebherr-Aerospace Toulouse SAS supplies air conditioning systems.
    The Pratt & Whitney Canada PW207V engine is Canadian.
    How about "big prospects" and "filling niches" are plagued by vague doubts.
    1. Snail N9
      Snail N9 1 December 2021 15: 23
      +6
      Heh. And what, then, is "Russian" in it?
      1. Alf
        Alf 1 December 2021 19: 12
        +4
        Quote: Snail N9
        Heh. And what, then, is "Russian" in it?

        The same as the Russian one in Yutafon.
  11. grandfather_Kostya
    grandfather_Kostya 1 December 2021 09: 52
    +5
    The Ka-226 already exists in the same dimension. Why else create a competitor?
    1. Glagol1
      Glagol1 1 December 2021 19: 07
      +1
      Ka-226 is in a different class. And it costs 150 million
  12. Turist1996
    Turist1996 1 December 2021 10: 06
    +9
    It's clear from the first paragraph - wrote the graphomaniac Ryabov. 3/4 of the article is solid "water".
    1. Ivan1779
      Ivan1779 2 December 2021 22: 34
      +1
      I came up with an interesting game: do you remember the program "Guess the melody"? I'll guess this melody with 8 notes ...
      Let's retell any article by Ryabov in the smallest number of words while preserving the meaning: like: “I will retell this article by Ryabov in 30 words. - And I in 25 words - Retell.
  13. Glagol1
    Glagol1 1 December 2021 17: 39
    +7
    At one time, in the 90s, MI-34 was in the same dimension. They were released about 20-30 pieces and that's it, the project stopped. Why is not clear. Ansat and KA-226 in a different weight, MI-34 was the only one in a particularly light class. So I do not particularly share the optimism of the developers, it looks like another aurus or something that is done with public money and then, oops, it did not work out. The world is full of light helicopters, the market is stagnating, and then there is the VRT-500, and with an American engine, too. It smells like a gamble with the development of state money.
    1. Alf
      Alf 1 December 2021 19: 19
      +5
      Quote: Glagol1
      Smells like a gamble

      It stinks!
      Quote: Glagol1
      something that is done with public money and then, oops, did not work.

      good
  14. Alex013
    Alex013 1 December 2021 19: 45
    +5
    Quote: just explo
    and we have order with food security, for once and for all we sell wheat, and almost the first in the world market

    Only seed production is almost at zero. Especially rapeseed, sunflower, corn. Quite a lot of hybrids "from the bourgeois". So is chemistry. Dependent on the west ((
    1. Ingvar 72
      Ingvar 72 1 December 2021 22: 19
      +6
      Quote: Alex013
      Especially rapeseed, sunflower, corn

      More potatoes, how funny it is. But sugar beet rules - 95% of seeds are imported. recourse
  15. p0pulivox
    p0pulivox 1 December 2021 20: 46
    +3
    VRT500 - the first Russian light helicopter

    Our civil aircraft industry can be described in one phrase: painful and long ...
  16. Elturisto
    Elturisto 1 December 2021 23: 29
    +6
    Everything follows the patterns of a superjet dream about thousands of aircraft sold to the west, everything sweet to foreign "partners" from Germany and the United States, and shish to own engineers, nothing changes.
    1. Alf
      Alf 2 December 2021 18: 43
      +1
      Quote: ElTuristo
      nothing changes.

      A disco on a rake is a favorite and the only thing that can be done by our government.
  17. 75 Sergey
    75 Sergey 2 December 2021 22: 18
    0
    Along the path of the y-mobile.
    I would like to believe.
  18. kebzuref
    kebzuref 9 December 2021 01: 35
    -1
    From the comments it is clear that all the disappeared people have bred to the fig
    1. anclevalico
      anclevalico 14 February 2022 10: 04
      -1
      No, just, some are in the subject, and some are not.
  19. anclevalico
    anclevalico 14 February 2022 10: 03
    -1
    Our boobies are not even capable of naming their offspring in Russian. Fucking disgrace. And what is ours? Self-tapping screws and then Chinese ...
  20. Vsevolod Z
    Vsevolod Z 18 February 2022 00: 25
    0
    Plans to order, agreements of intent (non-binding). Again, there is no flying tester. TTX by hand, damn how they got it. Whose avionics? Whose engines? You can't make a self-running wagon (not counting the loaf, and it crumbles) - there are no chips. Memory 32 meters cannot be released (litigation with an angstrom for a breakdown) 32 is not even 1024. For serious things, under the Xilinx hollow we drag under piece copies. Milling is no longer accurate, the tolerances are not satisfactory.
    Domestic stones (shit to be honest) pre-order with an advance payment for 2 months. Delivery can reach up to 3x. The documentation is vague in places and does not correspond to reality.
    Excuse the cry of the soul.