Military Review

Russian heavy attack drone S-70 "Okhotnik" received a flat engine nozzle

108

The Russian heavy attack drone S-70 "Okhotnik" has changed the engine nozzle. The second prototype of a promising UAV was rolled out at the Novosibirsk Aviation Plant.


For the first time, the developers presented the Okhotnik strike drone with a flat nozzle, which significantly reduces the radar signature of the vehicle. This is the second sample of a drone that was rolled out at the Novosibirsk Aviation Plant. The new "Hunter" will soon start testing along with the first prototype, on which all technologies were tested.

According to Rostec, a new ground control post has been developed for Okhotnik, which will also be tested in the near future.

The fact that the second prototype of the S-70 Okhotnik strike drone will receive a flat engine nozzle has been reported more than once. Just two months ago, Sergey Kuzmin, deputy general designer of the Motor Design Bureau, UEC UMPO PJSC, explained that a flat nozzle scatters a jet stream, and its design feature is that its internal parts cover the hot parts of the engine. According to him, the "Okhotnik" will be the first to receive a flat nozzle, which is not currently available on any Russian fighter.

The fact that the second attack drone "Okhotnik" will be structurally different from the first sample was reported back in the spring of this year. In particular, it was noted that the second machine will be primarily different from the experimental first version in that it is a pre-production sample, created taking into account the tests of the first UAV sample.

It is noted that the use of a flat nozzle will allow the drone to be stealthy when it performs certain combat missions.
Photos used:
Rosteh
108 comments
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  1. shoroh
    shoroh 14 December 2021 08: 22
    +36
    They are doing everything right. The main thing is not to lose the pace, now we are waiting for flight tests !!
    1. Finches
      Finches 14 December 2021 08: 29
      +20
      Not at all! It's a hologram! The "backward" Razseyushka cannot think of something intelligible, besides Lada Kalina laughing
      1. Nexcom
        Nexcom 14 December 2021 08: 33
        +18
        Shchaz svidomye will ride and start - this FSE does not exist, this is Photoshop (at best they will say that a plywood layout) and rushed ... yes They will also drag the Bayraktars. Exactly exactly.

        Threat probably already running and sneakers on the go take off to throw. laughing
        1. El Chuvachino
          El Chuvachino 14 December 2021 09: 39
          +16
          The mass of Svidomo began to choose a different tactic: they just totally clean up the information space and provide their inner world without such news at all.
          1. Roma 1977
            Roma 1977 14 December 2021 09: 50
            +30
            Not. In the recommendations of YouTube I got a Ukrainian video about how the Russian Federation does not know how to make drones. There is a standard set: "All components are either Western, or Chinese, or" stolen technology "(these nerds have deduced a whole theory that in Russia, even if there is something good, then everything is" stolen "from" civilized nations "- and a Kalashnikov assault rifle, and an atomic bomb and so on.) And in a piece design. And it does not fly. And without a weapon. In the comments there is hell, frenzy and sodomy, and in the air there are fireworks and caps of the Ukrainian shkolota, confident of an early victory over the thief.
            1. Gambit44
              Gambit44 14 December 2021 16: 37
              +2
              Unfortunately, yes, total cretinism blooms and smells in the outskirts))
            2. No name B
              No name B 15 December 2021 19: 42
              +2
              He is a Ukrainian himself and I am a member of several Ukrainian groups on Facebook, in particular, the Ukrainians in Gdansk and regularly once a month block my facebook for a month, well, I hate Ragul comments. So the last time it was the USSR / Russia stole everything, they did not fly into space, since Buran was stolen and it did not take off, Kursk crashed and there are no more achievements and in general I am not a Ukrainian, but whose Russian Stalin settled in Ukraine at 50-60 -x and Mova is our Ruska and Russians are not Russians, etc.
              So sho the pug barks and the caravan is aware)
          2. Alex777
            Alex777 14 December 2021 10: 36
            +18
            A little time has passed from the moment they started talking about the flat nozzle to the moment they did it. A trifle, but nice. hi
            1. Roma 1977
              Roma 1977 14 December 2021 11: 01
              +7
              There have been studies on the topic since late Soviet times. This is not a fast business.
            2. Des
              Des 14 December 2021 11: 32
              +7
              In 1985, in the 3rd year of the Faculty of DPA, he drew such a nozzle from memory from the journal "Foreign Military Review" for 1984 (an article on the prospects for the development of US aviation) and showed it to the teacher. And he with SUCH eyes: - "Where did you get this information ?!" smile They knew and studied even then.
              1. Roma 1977
                Roma 1977 14 December 2021 16: 48
                0
                Exactly. I remember then the American program for the creation of the current F-22 was called ATF. Was in the "Foreign Military Review".
            3. Eug
              Eug 14 December 2021 22: 36
              +1
              The first flat nozzle on the Su-27LL was in 1988.
            4. El Chuvachino
              El Chuvachino 15 December 2021 00: 38
              +1
              hi the program has accelerated at a terrible pace, hopefully it came with additional resources!
              1. Alex777
                Alex777 15 December 2021 00: 40
                +1
                It's amazing how we see the situation in the same way ... drinks
        2. Vladimir-61
          Vladimir-61 14 December 2021 13: 01
          +3
          Nexcom (Dmitry), you turned out to be right, in your comments, "Svidomye will ride and start" -and did not have to wait long, first, someone came under the nickname "YOUR (Vladimir)".
          1. Nexcom
            Nexcom 14 December 2021 17: 49
            +1
            yes, I know. yes
        3. vervolk
          vervolk 14 December 2021 17: 45
          +1
          They will also say that the bloody dictator needs to build pensions and kindergartens instead of UAVs - they love the caretakers for the needs of the Russians
      2. YOUR
        YOUR 14 December 2021 09: 12
        -17
        We can think of a lot. There are problems with production.
        1. Sergey39
          Sergey39 14 December 2021 09: 16
          +4
          According to, zomboyaschiku showed how flat nozzles are made and partly the production of Hunters.
          1. YOUR
            YOUR 14 December 2021 10: 09
            -21
            What kind of production? There are only 1 (one) of them in stock. It is quite possible that in the course of the next year a second one will appear somewhere by the end. For another five years they will talk about how to modernize, improve, invent new weapons ... and so on.
            As with the Su-57
            1. tranquil
              tranquil 14 December 2021 11: 14
              +1
              Quote: YOUR
              What kind of production?

              Production of nozzles and hunters. See an ophthalmologist. Or do you believe that its not fired, and what? Western "partners" donated? Or did Santa Claus bring you on a sleigh?
            2. Barberry25
              Barberry25 14 December 2021 11: 25
              0
              those. to take and read the news is the toad bothering you? not at the "end of next year" but ALREADY there is a second copy
              1. YOUR
                YOUR 14 December 2021 13: 34
                -2
                Well, what are you reading, I'm not lazy.
                First flight on August 1, 2019. Produced 1 FLIGHT prototype.
                So where is the production?
                We are already counting everything one by one and are madly happy when the boat was put into operation on time, the nuclear submarine was repaired, when three aircraft were transferred to the Air Force.
                1. Barberry25
                  Barberry25 14 December 2021 13: 48
                  0
                  on the way exactly what you are lazy
                  The Russian heavy attack drone S-70 "Okhotnik" has changed the engine nozzle. The second prototype of a promising UAV was rolled out at the Novosibirsk Aviation Plant.
                  Or can you only read the wikipedia?
                  1. YOUR
                    YOUR 14 December 2021 14: 01
                    -6
                    I can read. I don't see any production.
                    1. The comment was deleted.
            3. Skif
              Skif 14 December 2021 21: 26
              -1
              Yes Yes. As well as with the Crimean bridge, and with Zircons, etc. etc. Mosfilm, you know. Will you ever get smarter?
              1. YOUR
                YOUR 15 December 2021 02: 22
                0
                How many years have they been promising to put the Su-57 into service?
                How many of them have been produced during this time?
                How many S-70s do they promise to put into service?
                How many have been produced?
                Tell us what to be happy about after this. Yes, there is still scientific potential, where is the production?
      3. Esaul
        Esaul 14 December 2021 09: 51
        -13
        So on the left on the wing you can see how a newspaper article shines through the paint, i.e. made of papier-mâché.
        1. vervolk
          vervolk 14 December 2021 18: 12
          -2
          hike you were made of defective material, you see something that exists only in your head ...
          1. Esaul
            Esaul 15 December 2021 09: 16
            +6
            Yes, it was a joke, I thought it was so obvious that there is no need to explain. But I see people here without a sense of humor mostly
            1. vervolk
              vervolk 15 December 2021 14: 52
              -2
              damn well, sorry if so, I'm used to real inadequacies here, I didn't feel your thin banter hi
      4. lis-ik
        lis-ik 14 December 2021 13: 04
        -6
        Quote: Finches
        Not at all! It's a hologram! The "backward" Razseyushka cannot think of something intelligible, besides Lada Kalina laughing

        In this case, sarcasm is not entirely appropriate. That's when, in addition to prototypes (ceremonial) T-14, Su-57, and any other, a series will go to the troops, then you can play a bit, and now, apart from excuses about money, there is no other "blizzard" from the team of crooks, nothing good, except it should and will be, it is not necessary to hear.
        1. vervolk
          vervolk 14 December 2021 18: 14
          -1
          when he goes to the army, then there will be news about other samples. Now calibers and tsirokny went to the troops, how do you think? a great victory for Russian designers and management? it turns out that your previous passage is illogical or even deceitful? Or will you say that instead of zircons it is better to build kindergartens?
          1. The comment was deleted.
            1. vervolk
              vervolk 14 December 2021 19: 15
              -1
              Tea is not in Ukraine we live where the military secrets are leaked to journalists! If you would have stuck your head out from under the zhovto-blakit pillow last year, you would have known that the Caspian flotilla was striking objects in the SAR with just calibers. well, yes, this is Kiselev's propaganda and computer graphics, and yes, there is no Crimean bridge either, these are cartoons from Mosfilm!
    2. Real Pilot
      Real Pilot 14 December 2021 08: 32
      +11
      Great news!
      I would like to see the device in the air and from several angles in order to take a closer look at the new nozzle. The photo for the article is clearly not the most descriptive, most likely on purpose ...

      The flat nozzle conceptually suits such drones, where the emphasis is on stealth rather than super-maneuverability. Well, part of the news about the updated ground control station pleases - they are working, finishing.
    3. Nevsky_ZU
      Nevsky_ZU 14 December 2021 09: 42
      +12
      A little video:
  2. Nexcom
    Nexcom 14 December 2021 08: 28
    +16
    "The caravan goes" no matter what, and that's good! Good luck!
    1. Silver bullet
      Silver bullet 14 December 2021 08: 29
      +13
      Patience and work - we have the result, NATO has a stroke.
      1. Nexcom
        Nexcom 14 December 2021 08: 31
        +8
        Don't give a damn what they got there - a stroke, profuse diarrhea, ......
        Violet and parallel.
    2. lis-ik
      lis-ik 14 December 2021 13: 07
      -7
      Quote: Nexcom
      "The caravan goes" no matter what, and that's good! Good luck!

      You can't even imagine what caravans and how many are going, and everything is passing by. everything to the west.
      1. Nexcom
        Nexcom 14 December 2021 13: 10
        +1
        just all the same to the west?
        1. lis-ik
          lis-ik 14 December 2021 17: 07
          0
          Quote: Nexcom
          just all the same to the west?

          So they have everything there. They steal here, live there.
      2. vervolk
        vervolk 14 December 2021 18: 15
        -1
        what are you talking about? something personal with you?
      3. Skif
        Skif 14 December 2021 21: 29
        -1
        Well, yes, by. Past the dill.
  3. A.K.
    A.K. 14 December 2021 08: 28
    +5
    The process is underway and it pleases.
  4. K-50
    K-50 14 December 2021 08: 31
    +15
    For the first time, the developers presented the Okhotnik strike drone with a flat nozzle, which significantly reduces the vehicle's radar signature.

    The flat nozzle cannot reduce the radar signature, it is behind and therefore covered by the entire UAV body., Without affecting it in any way.
    The flat nozzle is designed to reduce the thermal signature, since the engine exhaust gases are cooled faster in this case.
    1. vadimtt
      vadimtt 14 December 2021 08: 35
      +9
      And what, in the modern world, all attacks are only from the front hemisphere? bully
      1. Nexcom
        Nexcom 14 December 2021 08: 40
        +5
        Of course not. Nobody canceled the missile attack of the "after-catch" air defense system. And not only the air defense system.
        By the way, the last tragic losses of Russian manned aircraft took place precisely after attacks from the rear hemisphere.
      2. K-50
        K-50 14 December 2021 12: 38
        +2
        Quote: vadimtt
        And what, in the modern world, all attacks are only from the front hemisphere? bully

        Behind, that round nozzle, that flat monopenesial for missiles with RLGSN hi
        A flat nozzle changes the heat trace, reduces it, since the engine gases cool faster, making it difficult to target missiles with a thermal homing head.
        That is why it was invented and installed.
        1. vadimtt
          vadimtt 15 December 2021 09: 30
          +1
          Nothing there cools faster, the only point is that the angle from which the "image" is contrasting enough to capture the GOS is narrowed (the closest analogy is a slotted nozzle on the headlight of a car for "covert" movement at night). In fact, I always thought that the "flat" nozzle is mainly needed precisely to cover the turbine blades from radars. Front - S-shaped air intake, rear - flat nozzle (S-shaped, for obvious reasons - not an option laughing )
    2. Lech from Android.
      Lech from Android. 14 December 2021 08: 40
      +6
      On such a device, you can experiment without risking the life of the pilot, work out and improve various designs of aircraft ... a wonderful drone ... in the civilian sphere it may well find itself a use.
    3. ism_ek
      ism_ek 15 December 2021 04: 35
      0
      Quote: K-50
      The flat nozzle cannot reduce the radar signature, it is behind and therefore covered by the entire UAV body., Without affecting it in any way.
      The flat nozzle is designed to reduce the thermal signature, since the engine exhaust gases are cooled faster in this case.

      Let's talk about the radar signature of the exhaust gases. ))) When the plane is made of plastic, this is important.
  5. Yuriy77
    Yuriy77 14 December 2021 08: 58
    -1
    It is not entirely clear from the perspective in this photo, but it is as if the nozzle is stationary - without deflected planes. It is possible that a static casing was simply put on the previous engine ...
    1. stalki
      stalki 14 December 2021 10: 19
      +4
      It is not entirely clear from the perspective in this photo, but it is as if the nozzle is stationary - without deflected planes. It is possible that a static casing was simply put on the previous engine ...
      We have already shown a video of how a flat camera of this engine is made. So this is not a casing, but just what you need.
  6. mark1
    mark1 14 December 2021 08: 59
    +5
    Series - now we are waiting for the series. and it would be good earlier and more (at least as Shoigu announced, without failures)
    Another would have confirmed about the electromagnetic gun on the new "Pantsir" and the morning will turn out to be sunny despite the cloudy weather
  7. Nikolaevich I
    Nikolaevich I 14 December 2021 09: 56
    -2
    "Flat nozzle" is our Everything ?! "Flat nozzle" - the solution to all problems? sad
  8. km-21
    km-21 14 December 2021 10: 27
    +3
    In Russia, everything is very good with the development of the latest combat systems. And everything is very bad with their implementation. Let us recall the story of the Armata, the Su-57, the Coalition ... All these developments have absorbed quite a lot of funds for a long time, and as a result have resulted in single deliveries that practically do not affect the combat effectiveness of the Armed Forces. Maybe it's time to think about this sad situation and draw appropriate conclusions? Or, finally, to establish a fairly large-scale production of at least something new. Or to abandon the costs of developing unpromising new products and focus on the mass production of technology from previous generations.
    1. dreamshake
      dreamshake 14 December 2021 10: 36
      -4
      You will fall asleep reading these formulaic slogans.

      Su-57. Status: launched into production
      "Armata". Status: being tested.

      Check out what the 57th and "Armata" are and questions will disappear
    2. rocket757
      rocket757 14 December 2021 10: 44
      +4
      Returning to the old and taking it in bulk ... is hopeless, and there is no need ... did we have a war tomorrow?
      It will be correct to rationally reorganize production for the release of new, promising products.
      Oh yes, without R&D, nothing new, promising will appear, so these costs will have to be borne, otherwise there is no other way.
      It is also clear that you need tight control over everything and always ... this is the norm and the best guarantee that it will be done right and the funds are not wasted.
      1. km-21
        km-21 14 December 2021 10: 56
        +5
        Quote: rocket757
        Returns to the old and take it in bulk ... it is futile, and there is no need ... Did we have a war tomorrow?

        We did not have a "war tomorrow".
        We have a war going on today.
        It's just that not everyone wants to notice her ...
        1. rocket757
          rocket757 14 December 2021 11: 09
          +3
          So there can be many "fronts" and they are all important.
          By the way, guns instead of oil, they haven't saved anyone yet, it's guaranteed ...
          1. km-21
            km-21 14 December 2021 11: 53
            +2
            Quote: rocket757
            By the way, guns instead of oil, they haven't saved anyone yet, it's guaranteed ...

            To paraphrase Churchill ...
            The one who chooses butter between cannons and butter,
            as a result, it remains without guns and without oil.
            1. rocket757
              rocket757 14 December 2021 12: 32
              +3
              INSTEAD, not always good for "health".
              There is a concept, REASONABLE BALANCE.
              This is always a compromise, between the wishlist of different, as it were, sides. In fact, one without the other CANNOT exist for a long time.
              1. km-21
                km-21 14 December 2021 13: 01
                -5
                A reasonable balance was in the USSR until the 80s. Then we destroyed it in favor of butter and burned on it. Today we have to catch up, so the balance has to be tilted in favor of the cannons. And when we catch up, then we'll think about oil.
    3. Kesha1980
      Kesha1980 14 December 2021 10: 48
      +5
      . focus on mass production of previous generations.

      Modernization of mass "products" will be more objective.
      Improving T-72, TU-160, BOD.
      There is not enough money to "spank the packs" before learning a practical application. We make prototypes, run them in (in Syria, for example), look at the claims of practitioners, improve them and then in a series. Though small. Let's remember the Ka-52, etc.
      1. dreamshake
        dreamshake 14 December 2021 10: 50
        0
        It is in this scheme that the Russian military-industrial complex works.
      2. rocket757
        rocket757 14 December 2021 11: 12
        -1
        Production must be modernized, expanded, if necessary ... be ready for "mobilization, transition to a war footing" if / when the time comes.
        In the meantime, our country, our people need to do everything that is important.
  9. The comment was deleted.
  10. sen
    sen 14 December 2021 10: 44
    +2
    For the first time, the developers presented the Okhotnik strike drone with a flat nozzle, which significantly reduces the vehicle's radar signature.

    Probably significantly reducing the infrared signature of the vehicle. In "Military acceptance" showed a reduced version of the flat nozzle. The USA made it a long time ago, but we just caught up.
  11. GAndr
    GAndr 14 December 2021 10: 51
    +3
    Quote: sen
    For the first time, the developers presented the Okhotnik strike drone with a flat nozzle, which significantly reduces the vehicle's radar signature.

    Probably significantly reducing the infrared signature of the vehicle. In "Military acceptance" showed a reduced version of the flat nozzle. The USA made it a long time ago, but we just caught up.

    I think it’s not that they can, and we don’t. This is not so complicated technology, but apparently the fact is that a flat nozzle has a network of both pros and cons. And the minuses, until recently, prevailed over the pluses, according to our designers.
    Do not forget that the Soviet-Russian school of aircraft construction prioritizes super-maneuverability, and a flat nozzle and super-maneuverability seem to be not particularly compatible. However, I agree that when it comes to a purely shock bomb carrier, for which it is more important to be invisible than maneuverable (all one thing, if they notice, then the interceptor will not leave the fighter), then of course the flat nozzle is just right.
  12. Xenofont
    Xenofont 14 December 2021 10: 53
    +2
    Today's news: RF Ministry of Defense: a serial contract for the supply of the S-70 drone will be concluded within six months.
  13. Diverter
    Diverter 14 December 2021 10: 58
    0
    In fact, I would like to see them live at the parade.
  14. Cameleopard
    Cameleopard 14 December 2021 11: 00
    -3
    This flat air intake is the same as on the first copy.
    On the first, the nozzle is round, and on the second, nothing was shown.
  15. shonsu
    shonsu 14 December 2021 11: 05
    0
    What a handsome ...))
  16. rruvim
    rruvim 14 December 2021 11: 14
    -3
    And the rivets remained as they were ... sad
    1. dreamshake
      dreamshake 14 December 2021 11: 57
      +1
      Come out with rationalization proposals at the Sukhoi Business Design Bureau
    2. GAndr
      GAndr 14 December 2021 13: 38
      +4
      Are you so confused about rivets? You probably have a different assembly technology, you know without rivets, right? If you don't kick the blacks, they have the same rivets :))) Or is it something else? :))



      1. rruvim
        rruvim 14 December 2021 17: 38
        -2
        Everything!!! Convinced. But only partially.
  17. Bear
    Bear 14 December 2021 11: 23
    +2
    It is striking that on the second copy there are absolutely smooth upper and lower parts of the fuselage, there is not a single radio antenna, as on the first copy, and this is correct, all antennas are hidden behind radio-transparent housings, which definitely reduces the ESR of the apparatus and cannot but please, in the production of hidden antennas for all types of radio communications is all right for us, and this is also a non-trivial task.
    1. rruvim
      rruvim 14 December 2021 13: 17
      +3
      In theory, the Hunter should be controlled through a saucer with a spacecraft, otherwise, why tinker with a device with a range of 6000 km. The satellite dish is quietly mounted inside the case. It's another matter whether we have a spacecraft and ground infrastructure for them to control this UAV.
      1. Bear
        Bear 14 December 2021 13: 20
        +1
        In addition to satellite communications, VHF and HF control channels are used with ground and air control points or the leading aircraft. When designing such an aircraft, double or triple duplication of control communication channels is unambiguously laid.
    2. FrankyStein
      FrankyStein 14 December 2021 20: 15
      +1
      If the casing is radiotransparent, how will this reduce the RCS?
      1. Bear
        Bear 14 December 2021 23: 01
        +1
        EPR is a quantitative measure of an object's ability to scatter an electromagnetic wave. Therefore, extraneous protrusions in the form of antennas increase this value, which in turn increases the detection range of an object by means of radar, since the EPR of an object is included in the radar range equation and determines the range at which an object can be detected by a radar. And the work of radio communications on an aircraft does not apply to the definition of EPR.
  18. ja-ja-vw
    ja-ja-vw 14 December 2021 11: 44
    +2
    strike drone "Hunter" flat nozzlem, significantly reducing radar signature machinery

    It doesn't reach me how:
    flat nozzle (rectangular parallelepiped) reduces radar conspicuity conspicuous compared to a round nozzle (cylinder)
    recourse
    using the approach "3 bast shoes to the left of the moon"
    σmax = 4 * π * b ^ 2 * h ^ 2 / λ VS σmax = 2 * π * r * h ^ 2 / λ
    it seems to me that the round one will be smaller /
    call it "flat nozzle"

    recourse
    in common people: jet engines shielded
    otherwise he has:


    "slotted nozzle"
    1. Nexcom
      Nexcom 14 December 2021 18: 01
      +4
      Do you produce flat nozzles?
      No, we only enclose round casings.

      Cunning.
  19. kebzuref
    kebzuref 14 December 2021 12: 45
    -2
    https://www.youtube.com/watch?v=1S0_nwb3bbk
  20. Jacket in stock
    Jacket in stock 14 December 2021 13: 25
    +1
    drone "Okhotnik" with a flat nozzle, significantly reducing the radar signature of the machine.

    Journalists, such journalists.
    If only to blurt out what, and what, they themselves do not understand.
    Although everything seems to be written down further in the text, but no, the humanities cannot master this.
  21. Alexey-74
    Alexey-74 14 December 2021 15: 31
    +1
    Have a good hunting! good
  22. Laksamana besar
    Laksamana besar 14 December 2021 19: 26
    0
    Honored Military Pilot of Russia Major General Vladimir Popov:
    A decrease in the radar signature of the aircraft due to the installation of a flat nozzle also takes place. The surface reflecting radio beams is reduced also because there are no abrupt transitions in the aircraft structure. Thanks to the new nozzle, the shape of the UAV's fuselage has also changed, which made it even less visible to radars; it is now almost flat.
  23. gvozdan
    gvozdan 14 December 2021 21: 43
    +1
    1990 year
    [/ Center]
  24. Benjamin Gnomes
    Benjamin Gnomes 15 December 2021 00: 53
    -2
    The arms race is like in the past. America is the first to do it, the USSR is making a belated answer, and so it is now. Then the economy crashed in the end, what now?
    1. martin-159
      martin-159 15 December 2021 05: 33
      +1
      Quote: Benjamin Gnomes
      Then the economy crashed in the end, what now?

      And since then she has not really risen.
  25. AC130 Gunship
    AC130 Gunship 15 December 2021 05: 14
    0
    Interestingly, the flight was shown with a round nozzle. With a flat one they did not even show that he was driving himself. That's a coincidence?
  26. TatarinSSSR
    TatarinSSSR 15 December 2021 14: 04
    -1
    Good news. But ... Well, I don’t understand modern Russian aircraft of the 5th generation and unobtrusive UAVs with ... Strongly noticeable joints of the hull sheathing sheets and .. Rivets !!!