Military Review

Ka-xnumx has the right to life!

32
Medium ship-based transport helicopter, intended for use on the "Mistral" class universal landing ships, what should it be? It seems that the answer to this question is unequivocal only for the leadership of the Russian Navy. As it appears, navy the management decided that it was only the KA-52 that needed to be "prepared" for operation on future Russian Mistrals, and the KA-29 was all right, was that really so? If we study the performance characteristics and design of the KA-29 more carefully, it will become clear that it is not much better suited to base on a Mistral UDC than the Mi-24! In terms of the effectiveness of the tasks assigned to the transport segment of the helicopter tandem of the future Russian UDC, the KA-29 is not much superior to the Mi-24. But the advantage of the KA-29 is that its design carries a huge potential for modernization, which can and should be correctly implemented. Which ultimately will lead to the creation of an effective ship-based helicopter tandem - combat KA-52K and transport KA-33 (KA-29M). The main goal of deep modernization of the transport and combat helicopter KA-29 is to improve its transport qualities and get rid of shock capabilities, since the latter will transfer from it to a combat helicopter of a ship-based KA-52K. Since the main task of the future KA-33 will be the delivery of marine corps from ships to land, the main goal of the designers should be to ensure the most comfortable and safe conditions for this very landing on board the helicopter. It is clear that this task will be achieved within the framework of an existing helicopter, which in turn is a modification of another KA-27 helicopter, but it was not originally intended for solving transport problems, which affected the layout of the helicopter as a whole and its fuselage in particular. But still, the layout scheme of the KA-29 allows for certain changes in its design, designed to increase the number of paratroopers and improve their living conditions on board the helicopter.

Ka-xnumx has the right to life!


Redevelopment of the helicopter KA-29:

1. Equipping the helicopter with a completely new digital “glass cabin”, which in turn will make it possible to abandon the bulky equipment of the Soviet design, and the weight saved can be used to install light onboard armor or onboard conformal fuel tanks for the search and rescue version of the Ka-33.

2. Increasing the length of the landing cabin from 4,5m to 5,5m due to the complete release of the avionics tail compartment from all equipment. This can be achieved by dismantling the onboard systems designed to provide shock capabilities, as well as moving the rest of the equipment to existing racks behind the cockpit. Equipping the helicopter with modern digital systems and equipment will increase the total volume and mass of the avionics, which will require less space for its installation.

3. Increase the height of the landing cabin to 1,5-1,6м by lowering its floor to 20-30cm. This should be ensured by eliminating the central weapons compartment and reducing the height of under-the-cabin fuel tanks with a simultaneous increase in their area by placing tanks under the entire floor area of ​​the amphibious assault cabin. This will keep the existing amount of fuel on board, or even increase it when using onboard conformal tanks. Cabin-type fuel tanks will need to be protected, and the cockpit floor must provide protection for the crew and the assault against small-arms bullets weapons 7,62 caliber mm.

4. Increase the width of the amphibious assault cab on the 20-30cm to 1,5-1,6м due to the expansion of the helicopter's fuselage to the width of its front. That is, the width of the fuselage of the helicopter should be the same throughout its length and correspond to the width of the front of the fuselage Ka-29.

5. The elimination of the mounting system for external suspension arms on the pylons, which will save the take-off weight that will be needed for additional reservations or an increase in fuel reserves.

6. Moving and changing the door amphibious cabin. The door on the left side needs to be replaced with a stern lowering ramp, which will require redesign of the tail boom. In fact, it is necessary to move the tail boom above so that the stabilizers are attached to its lower part with struts located above the stabilizers. The dorsal compartment of the equipment, in which the APU and the cabin heating system are located, will smoothly pass into the tail boom. The bottom surface of the tail boom must be flat and located on the same level with stabilizers, to ensure the passage under it of a man in full growth. Thus, the position of stabilizers and carinae in relation to the fuselage and the ground will not change. The tail boom must be made less massive to reduce its weight, in order to avoid shifting the center of gravity of the helicopter in connection with raising the tail boom. And in the design of stabilizers, keels, elevators and directions you need to make maximum use of composite materials. The door on the starboard side of the helicopter near the cockpit can be left unchanged.

7. The number of paratroopers on board must be brought to 20 people. 10 folding seats to place along the left side, 9 folding seats along the right side, and a folding chair commander amphibious units in the cockpit. It is advisable to place the commander of the airborne group between the pilots in order to include it in the process of choosing a helicopter landing site for landing, first, and secondly, to increase its operational awareness of the tactical situation at the site of the intended landing.

8. It is also necessary to modify the cargo securing system on the external sling. This will be required for fast attachment of cargo on the external sling and equally quick detachment of it for use by the landing force, especially considering that the possibilities for transporting cargo inside the landing cabin are severely limited by its small volume.

The implementation of all the above activities will improve the conditions for the presence of paratroopers on board the helicopter, reduce the speed of landing and loading personnel of the Marine Corps units on the helicopter, and simplify loading and unloading operations.



I admit that such a significant change in the design of the helicopter will seem to someone unnecessarily complex and expensive. But the development of a new helicopter from scratch will be much more complex and expensive. And if we take into account the modern terms of development of domestic rotorcraft technology, we can safely assume that the new naval helicopter will make the first flight no earlier than 2020 of the year, and its specialized modifications will be adopted by the Navy closer to 2030. It does not need to be an expert to understand that the KA-27 no longer meets modern requirements for the PLO helicopter, and after 2015, the same can be said about the KA-31 as an AEW helicopter. On the basis of the KA-33, by the year 2017, it would be possible to create the PLO and AEW helicopters, saving a lot of money and valuable time. The significant time required to create an absolutely new helicopter will in turn turn into lost profits from potential export contracts not concluded at this very time.

The world helicopter industry knows quite a few examples of successful modernization of helicopters, which not only prolonged their life, but gave them completely new qualities or significantly improved their performance characteristics. I would like to give an example of upgrading a heavy transport helicopter CH-53 Sea Stallion to CH-53E Super Stallion, and then to the version of CH-53K, which will go into operation after the year 2015. During the modernization of CH-53, which made its first flight in 1964, its maximum take-off weight from 19 tons doubled to 38 tons from CH-53K, and its payload increased three times - from 5 to 15 tons. By the way, the US Navy plans to exploit CH-53K until the 60-s of the XXI century.



There are examples in Russia, the legendary Mi-8, having reborn as the Mi-17, realizes the initial modernization potential that was put into it, which was not exhausted before the end and at the beginning of the XXI century. I believe that the KA-29 has every chance to repeat the success of the Mi-8 and become its indispensable counterpart for the Russian Navy, despite the fact that he did not find himself in the role of the Mi-24 for the Navy. Since the Mi-8 became the Mi-17 and the Mi-171Sh, so also
The KA-29 is to become the KA-33 - a transport helicopter for the Russian Navy and Marine Corps. Development of the PLO and AEW helicopters on the basis of the KA-33 helicopters would be logical and economically sound. These specialized modifications would serve in the Russian Navy after 2017, and could provide export orders in the long term.

Russia almost always goes its own way, and helicopter engineering is no exception. Practically everything that is obvious to the whole world is not at all obvious to Russia. As a result, the Russian military equipment is not similar to the one that the rest of the world produces, which is often good, but not always, as “reinventing the wheel” again and again becomes more and more expensive!
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  1. Brother Sarych
    Brother Sarych April 6 2012 09: 27
    +6
    It is difficult to say something about the qualifications of the author, but in my opinion the proposed changes are comparable to the creation of a new helicopter!
    1. Sergh
      Sergh April 6 2012 10: 22
      +4
      Natural Navy helicopter, AWACS, they exist on them for a long time. For Ka-52K, the blades will fold up and also serve forward in the fleet.
      1. Civil
        Civil April 6 2012 14: 43
        +2
        Mistral will soon be handed over, and KA-29 is not in the production program, to say nothing about modernization
      2. YARY
        YARY April 8 2012 22: 36
        +2
        The fact is that there are a number of nuances in the modification "for the fleet"
        Metal protection against corrosion should be more essential than "land". And the metal itself and devices, contact solders, connectors, attachments for attachments, glass and anti-icing protection. And there is still a lot of things that make no sense to enumerate, since specialists know this and lay people are not interested.
        So not only folding blades are the whole modernization.
        And the model is very "nice" I really like!
    2. sergskak
      sergskak April 6 2012 16: 22
      +2
      Brother Sarych,
      All this modernization described in the article from the 1st to the 8th point, in my opinion, will be much more expensive than the creation of a new transport and landing helicopter. The 6th point is especially alarming: the transfer "higher!" and essentially redesigning the tail boom. The bottom of the boom is supposed to be flat. Will it be possible to maintain the rigidity of the structure and how long it will take to test it.
    3. air wolf
      air wolf 25 October 2013 20: 16
      0
      Yes, he went a little into the jungle, in reality, the Ka-29 only needs to install a speaker from the Ka-50-52, blades, VK-2500 engines and the new avionics and Ka-52 will not be needed in such quantities. Ka-29M will be really in demand and can replace in the future Mi-24 and 35.
  2. Chicot 1
    Chicot 1 April 6 2012 13: 49
    +6
    Upgrading and improving the Ka-29 is not only possible, but also necessary. Even more than that, it is necessary ...
    What is proposed by the author (I completely agree with Brother Sarych) This is essentially the creation of a new machine. Especially with regard to significant changes in the helicopter glider - raising the tail boom with changes in its configuration and power section, as well as the use of the ramp as the main cargo (landing) hatch (port) ...
    In principle (I think) the design and construction of a new airborne transport helicopter for the Navy is also necessary. What shape it will take and which performance characteristics will be incorporated in it will be decided by the customer. Those. Russian Defense Ministry, or rather the Russian Navy ... However, we hope that this is not far off ... smile
  3. Apostol
    April 6 2012 15: 43
    0
    Well, why is it easier for the whole world to modernize, but it is easier for Russia to create something new !? Probably the whole thing is about the mentality ... And as for the tail boom and the ramp, I will give an example of the modernization of the Sikorsky S-61 (SH-3 Sea King) to the version of the Sikorsky S-61R (HH-3E Jolly Green Giant). The clever is looking for ways to achieve the goal, and the fool is looking for reasons for the inability to achieve it!
  4. ward
    ward April 6 2012 18: 09
    +3
    Right across the Black Sea ... If you feel sick of her, then why do you ... love her ... minus
  5. Korvin
    Korvin April 6 2012 23: 18
    +5
    Something I misunderstood. If there are only KA52 on the Mistral, then why will they land. The main workhorse of our Marine Corps seems to have always been KA29. Have they put the marines in Alligator on the heads of the pilots?
    1. air wolf
      air wolf 25 October 2013 20: 21
      +1
      Well done really Ka-52 on the Mistral fuck is not needed. Ka-29M future!
  6. Vladimir75
    Vladimir75 April 7 2012 00: 32
    +2
    Why "upgrade"? There is a transport version with a capacity of 16 lads in full outfit "according to the passport" well, if not an American male, we can make room if necessary
  7. Nickname
    Nickname April 7 2012 01: 22
    +1
    SU-35 in the ship version. And 6 pieces of aircraft carriers. And after all, it will somehow become boring, guys, as now to the Americans
  8. Berkut_64
    Berkut_64 April 7 2012 01: 33
    +3
    The author probably refers to aviation enthusiasts. The proposed upgrade option for the Navy is not acceptable, because the increase in size is beyond the parameters of the TTZ. It’s easier to adjust the Mi-8mtv5 to the Mistral than to upgrade the Ka-29 to 33. Moreover, there is an option with floats. This option is simpler only put the mechanism of folding the blades on the sleeve and that's it.
    And a remark to the author why to book a transport helicopter, if it is necessary to dismantle the external arms suspension, the author also got excited with the ramp. It is better to have two doors on both sides. Firstly, it’s convenient for defensive weapons, secondly, the helicopter will leave the landing faster. it also will not work, because it is standard for Ka-27/32 helicopters. I agree with many it’s easier to create a new one, but the Russian fleet has no plans for such a helicopter.
    1. Apostol
      April 7 2012 13: 14
      +2
      Berkut_64, you are right about the aviation enthusiast, but about the rest in order. Regarding the parameters of the TTZ, firstly I have not heard anything about the TTZ for the transport helicopter for the "Mistrals", share if you know something :), and secondly, after the proposed modernization, the length, height and width (the width of the rear fuselage will become the same with width of its front part) of the helicopter will not change. Regarding the Mi-8mtv5, from this point of view, it would be better to adapt the KA-60 to the Mistral, in Russia Kamov is still engaged in naval issues. But we are talking about KA-29, it was decided that it will be based on future Russian UDCs. It is not necessary to book a purely transport helicopter, but to book a transport and landing KA-29M (KA-33) is necessary, because it will carry out a mission in the same formation with KA-52, directly entering into combat contact with the enemy. Naturally, the level of reservation of the KA-33 will not be comparable to that of the KA-52K. In KA-29, by the way, the cockpit is also partially armored and has flat bulletproof glazing. With the raising of the tail boom and the introduction of the cargo ramp, you don't need to complicate everything, the AW-101 (EH-101) Merlin is like the Sikorsky S-61 (H-3) Sea King models are available with a solid solid tail boom and a light "top" boom and loading ramp. Regarding the two doors on the sides, such an arrangement of the doors implies the location of the landing force in the middle of the cargo compartment with their backs to each other and facing the sides and doors of the helicopter. The width of the KA-29 cargo compartment - 1,3m does not allow this, since the paratroopers will practically rest their knees on the sides of the helicopter. To make it easier for you to understand what I'm talking about, look at the cramped cargo compartment of the KA-29 http://www.foxbat.ru/maks/syzran/syzran129.jpg
      With the proposed expansion of the fuselage, the implementation of a central landing arrangement is, in principle, possible. But the option with a cargo ramp gives advantages with the further specialization of KA-33. In the DRLO variant, a compact radar antenna could be lowered from the fuselage at its rear. The cargo ramp also makes it possible to use the KA-33 as a minesweeper. In the version of the flying infirmary, the aft ramp also provides undeniable advantages in loading and unloading the wounded, as well as in placing them inside the helicopter.
      And regarding the increase in the volume of the KA-29 cargo compartment, the implementation of all the above measures will increase the volume of the airborne compartment from 7,5 to 13 cubic meters.
      PS I would very much like comments from aviation enthusiasts or people who, on service, operated Kamov helicopters.
      1. Berkut_64
        Berkut_64 April 7 2012 23: 43
        +2
        Aposol have experience in operating the Ka-27/29, Mi-8t / mtv helicopters. I am also familiar with the amphibious landing operation. In many ways I can agree. Removing guided weapons, dismantling the sight, increasing the volume of the cargo compartment in width and height, doors on the left and right, placing the landing not in the sides, but in the middle. Alteration of the fuel system in connection with an increase in the height of the compartment, this will lead to an increase in the fuel supply and radius of action. Raising the beam will reduce the distance between the lower screw and the beam, possibly with a strong gusty wind, a blow to the tank with NNV blades. The listed design changes will therefore lead to an increase in empty weight, therefore booking a cargo compartment is not advisable. Increasing the volume will facilitate the landing, on the Ka-29 it is difficult to fully armed, the Marines prefer the Mi-8, to accelerate reduce the composition of the landing to 8 people. A note on the battle formation. No Airborne transport helicopters are not in line with the Pain. Two echelons, the first strike, the other landing with combat cover. Therefore, it is assumed that 85% of the fire weapons will be disabled, the remaining 15% will suppress the combat cover.
        But according to the proposed program, this is no longer a modernization, but a new helicopter. By the way, in the Kamov Design Bureau there are already projects of promising ship helicopters including landing and transport purposes (Ka-40, Ka-92). And whether the Kamovtsy will engage in such modernization is a question. Under the re-equipment program until 2020, there are no purchases of Ka-29 helicopters. Rather, they will penetrate the KA-60/62.
        Option AWACS already have a KA-31. Avionics is modern, the chassis is being pulled, instead of the AI-9 another APU The crew is two people, the antenna folds under the belly in flight. The design of the airframe has not changed.
        But the minesweeper was also closed when the fleet removed the last MI14bt from service. On the Ka-27, when trawling a large pitch angle to dive, difficulties with stabilizing the flight, the Union collapsed, the topic was closed. I think the whole problem in the design of the HB sleeve is the large spacing of the HB. If they find a way to reduce screw spacing, many problems will be solved.
        I myself am also fond of thoughts on the modernization of helicopters in service, when representatives of the Design Bureau arrived, I always offered interesting ideas, including some of the ones you have outlined, but all this is in vain because the Navy’s leadership forms TK from the budget, Navy aviation on the residual principle sits the subject of modernization of the KA-29 hovered, just like the modernization of the Ka-27pl.
        1. Apostol
          April 8 2012 00: 29
          +2
          Thanks Berkut_64 for the discussion, informative comments are always encouraging, but I disagree with some things. Hitting the raised beam with the lower screw is not possible, since its upper surface will be lower than the upper edge of the helicopter keels. Look at the helicopter side view, the dorsal compartment with the APU gradually decreases closer to the tail boom, and the raised beam will be its further continuation, gradually decreasing to the stabilizers. In addition, it will be much lighter than the existing one due to its much smaller volume, this is about the issue of increasing the empty weight of the modernized helicopter. The issue of booking should be decided in connection with the tactics of using a helicopter, and as I understand it, it simply does not exist today.
          And even with respect to the modern avionics of the KA-31, although it was put into service in 1995, all the avionics on it were developed in the 80s. This Soviet AWACS helicopter, which did not have time to be adopted before the collapse of the USSR, will certainly serve for 7-8 years, but you need to think about how to replace it today. Thinking and starting to do something, we started with the "mistrals", and then what? And then it will seem to be as always, but you really want it to be the best!
          1. Berkut_64
            Berkut_64 April 8 2012 01: 09
            +3
            Immediately on the Ka-31 in the fleet there is not a single machine, I myself saw a helicopter that was sold to the Indians, Avionics on it is the same as on the Ka-52. By raising the beam to the level of the Linden, the opening of the ramp will not be high enough for loading and unloading through it. The beam will not become smaller and lighter, it has a radio compartment, a DISS block, blocks of a radio altimeter. There is nowhere else to place it. In addition, an increase in the fuselage will lead to a change in the design of the main chassis. And you cannot go beyond the dimensions of the existing base, because she installed TK to ship helicopters. This is a limitation on the dimensions of the hangar compartment on the ship. If we consider the Mistral, then there are no problems with accommodation. There are tactics of application, but it is very far from reality since there was no real combat use of the helicopter. Everything is pure theory. Therefore, the MP is closer to Mi-8 and MI-24, there is combat experience. The tactic is simple landing on the bridgehead in the so-called urez. This implies that by the time of the landing of the capture and barrage groups, the bridgehead will be so processed that fire resistance will be minimal. With the introduction of the Mistral, I think there will be changes in tactics. The role of the UDC itself in the naval landing operation is not yet clear.
            It's a shame that this is how good LAs go. So the Mi-14 died although there was a modernization program. so dragged on the modernization of MI-8 and MI24 helicopters
            thanks to the states it is necessary to say if it weren’t for their purchases for Iraq and Afghanistan there would be no deep modernization. In the states in Europe, a deep modernization of the aircraft fleet is fundamental in keeping the Air Force fleet up to date. And it’s still easier for us to create new things from the Union than to upgrade well-recommended ones. So the production process is set, with modernization more labor costs.
            1. Apostol
              April 8 2012 01: 43
              +1
              The key point - "This is how the production process is set up, with modernization more labor costs." And if you wish, you can arrange and place everything, you just need to set the task correctly! But no one needs this, because our technology was not created for people, it was created for war! Well, well, as they say in Ukraine - he gets richer in thought!
  9. Owl
    Owl April 8 2012 15: 00
    +1
    I do not understand the desire of the author of the article to eliminate the "strike capabilities" of the KA-29, it looks like a belief that aviation, missile systems and artillery will completely destroy the enemy in the area of ​​the landing of the helicopter assault. This can only happen in action films filmed in Hollywood or in pro-American film studios of "new Russia".
    1. Berkut_64
      Berkut_64 April 8 2012 19: 21
      +1
      In light of the joint deployment of Ka-52 and KA-29 on the latter, guided missile weapons are no longer needed. It is advisable to leave external pendants for NARs and for the suspension of additional small arms. After the Second World War, the Navy has no real experience in the amphibious landing operation, therefore only the theory and scenarios as in Hollywood
  10. 9991
    9991 April 8 2012 21: 50
    +1
    The fleet will not live alone with Mistral. The destroyers and frigates also need helicopters.
  11. Bear52
    Bear52 April 9 2012 14: 34
    0
    One more thing, it seems to me, was not mentioned: will this helicopter of dreams "fit" into the interdeck space of "Mistral"? Otherwise, you really need to compose a new one ... laughing
    1. Apostol
      April 9 2012 21: 38
      0
      Bear52, if you had carefully read the article, or at least the comments, you would have understood that the outer dimensions of this "dream helicopter" have not changed in any way, but the inner dimensions of the cargo compartment have grown in all respects. And indeed a miracle! It can not be so! We need to construct a new helicopter! We will wait for a new helicopter, not long left, 10-15 years!
    2. Berkut_64
      Berkut_64 April 9 2012 21: 59
      +1
      Mistral's helicopter hangar under the French is imprisoned. But as far as I know, there is a redesign under the Ka-27/29 helicopters which is higher. But all the same, it is expected that by 2015 the KA-60 will be adopted, so they will replace the Ka-29
      1. Apostol
        April 9 2012 23: 37
        0
        That is, the ship can be redesigned, but the helicopter cannot! How is it in Russian! I don’t know where you got the information on the Ka-60, but if so, then what is the point of using the Ka-29 at all, if the first Mistral is ready in 2014, and they want to take the Ka-60 into service in 2013, with the start of deliveries in the troops in 2014. Moreover, the Ka-60 is practically equal in landing capabilities to the Ka-29: 14 and 16 people, respectively. The civilian Ka-62 already has 16 passenger capacity, which means that two more can be added to the KA-60, so that it is like the KA-29 -16 paratroopers. The question is - why this fuss with a "cheap" alteration of "mistrals" at all !? After all, the KA-60 easily fits into the hangars of the Mistral. You can't understand Russia with your mind, you just need to believe in Russia! :)
        1. Berkut_64
          Berkut_64 April 10 2012 00: 25
          +2
          Here is a reference to Mistral’s shortcomings http://vpk-news.ru/articles/8722. To date, the Russian Navy has no plans to increase the fleet of Ka-29 helicopters, the ones that remained are not enough to staff the ship's air group. And since the money has been allocated for the development of the KA-60 helicopter, I conclude that he will most likely go to the fleet. In addition to indirect factors confirming this experience, the Union of KAG deployment on TAVKR type Kiev, two squadrons, one on the Ka-27pl, the other Ka-29 and the detachment Ka-27ps. The height of the Pots is 5.5 meters. They practically abut the ceiling. So it seems to me that the hangar will not be redone, and the helicopter will be customized. For me, KA-60 is preferable. Very good conditions are for landing. Although the Ka29's performance is better, only the drawbacks of the fuselage layout make the helicopter not very attractive.
  12. Andy
    Andy 22 October 2012 20: 09
    0
    By the way, if you remove the external suspension, then by "pushing" back the main landing gear you can make wide sliding doors along the sides like on the UH-1 and do not suffer from rearrangement of the tail boom under the ramp.
    1. Berkut_64
      Berkut_64 23 October 2012 00: 13
      0
      and what are the main struts to fasten, the power set to shift or what?
  13. Andy
    Andy 24 October 2012 03: 05
    0
    Quote: Berkut_64
    Why fix the main struts, shift the power set or what?

    Well, a couple of frames to be strengthened in the rear of the fuselage, there is clearly less work for designers than to rack their brains over the radio compartment, the DISS unit, the radio altimeter units ... ... :)
  14. Basarev
    Basarev April 4 2014 09: 43
    0
    But what if we turn the other way around? Make the Ka-29M a complete analogue of the Mi-24. Book it in vain so that there is full-angle absolute protection against a 30-mm projectile. Strengthen the bulletproof glass to hold large-caliber bullets. Transfer the 2A42 cannon and side truss mounts from the suspension category armaments in the built-in. Install a column of Ka-52 screws, improve avionics. Contrary to myths, there is the possibility of installing a coaxial radar on the coaxial. Well and amplifying the engines to fly even with maximum load - the heaviest weapons at the external points of the suspension, full landing in the cockpit , 2A42 with the heaviest ammunition, a similar story with GSHG.That is, even with the most full load, the upgraded helicopter should fly like the previous empty one. After such an upgrade, we will get an ideal flying BMP.
  15. Beautych
    Beautych 15 June 2014 13: 17
    0
    Cool pinwheel! Beautiful, successful and very marine good Many summers of its operation and successful development as part of the Navy! drinks
  16. Beautych
    Beautych 15 June 2014 14: 41
    0
    Great two films about the entire line. KA-25, KA-27, KA-29 and KA-31.
    The film has a huge number of unique frames of valuable information, and many awesome interviews with TsAGI Deputy Director Evgeny Vozhdaev.

    Quote:
    "There is no more effective combat vehicle at sea today, a combat vehicle at sea than the KA-27, KA-31 series. Their carrier vehicles are the same, but the composition of weapons and equipment is different. But the Americans do not have such machines at all. Attempts are being made in France and in America, and are still being made, to create such a machine. Why do you think? "Because there is no school. To create such a machine you need a powerful long-term school that has been working for many years. A scientific and technical school. money ... It's useless! You know how much money America has, how much money you can ... Why is there still no helicopter like MI-26 in America (despite the frenzied funding)? They are still working on it by helicopter, they spend a lot of money, the government spends ... But the absence of a proper school cannot be compensated by anything. " (c) Evgeny Vozhdaev

    "The characteristics of the" Twenty-seventh "are such that they still cannot be surpassed by the machines of the leading aviation firms in Europe and the United States" (c) And what can we say about "Twenty-ninth"? bully