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    PAK-FA, T-50: News #3

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    PAK-FA, T-50: News #3 - Page 16 Empty Re: PAK-FA, T-50: News #3

    Post  GarryB Thu Aug 27, 2015 8:50 am

    Interesting post about the new weapons Austin.... thanks for posting.

    Regarding new lightweight missiles... the Kh-38 is described as being a replacement for the Kh-25 and Kh-29 missiles, but I think it would be a better replacement for the Kh-29 than the 25s which were half the weight with a smaller payload suitable to lighter targets.

    The article mentions a new lightweight anti radiation missile... presumably in the Kh-25MP type role I would assume, so with other guidance options this same weapon could be adapted to a range of uses similar to the Kh-25 series weapons, but I suspect the LMUR sounds a bit like the laser guidance package UGROZA adapted to existing ATGMs... perhaps LMUR is for existing and near future ATGM and UGROZA is for current and near future unguided rockets. that would make LMUR useful for all platforms with the modular guidance and aiming system fitted.... which should be all UCAVs, and helicopters and strike aircraft and enable hard point targets to be engaged and light aircraft with HEAT, HE Frag and anti aircraft payloads used, while UGROZA will enable the mass carriage of light rockets from 80mm calibre through 122mm and 320mm calibre to be used to extended ranges against point and area targets.

    The article recently posted about the laser aiming system developed by KRET that had multi targeting capability should allow an area target to be engaged with multiple guided laser homing rockets to maximise the effectiveness of their warheads and fragmentation patterns negating the need for new guided missiles with ranges of less than 10km.

    Why two cruise missile one pointed nose and one boxy nose , whats the difference ? Also what that chart in Russian says ?

    Pointy nose generally means supersonic, flat boxy nose generally means subsonic and in this case stealthy.

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    PAK-FA, T-50: News #3 - Page 16 Empty Re: PAK-FA, T-50: News #3

    Post  higurashihougi Thu Aug 27, 2015 9:13 am

    PapaDragon wrote:Dude, a pro tip: when you find scoop like this, always post a pic!

    http://www.flightglobal.com/assets/getasset.aspx?itemid=63435

    A Flying Wing design to be used in air fight ? Does Russia plan to mock the poor maneuverability of F-35, or do I miss anything about the aerodynamic traits of the flying wing ?
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    PAK-FA, T-50: News #3 - Page 16 Empty Re: PAK-FA, T-50: News #3

    Post  flamming_python Thu Aug 27, 2015 10:10 am

    Austin wrote:Is this the new 20 T UCAV they are developing ?

    MAKS: Is Russia developing an F-35-hunting UAV?

    "Mikheev says KRET is providing a deeply-integrated electronic warfare system that not only provides a protective electromagnetic sphere around the aircraft to counter air-to-air missiles, but also cloaks it from radars."

    zomg plasma stealth?
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    PAK-FA, T-50: News #3 - Page 16 Empty Re: PAK-FA, T-50: News #3

    Post  marcellogo Thu Aug 27, 2015 10:23 am

    flamming_python wrote:
    Austin wrote:Is this the new 20 T UCAV they are developing ?

    MAKS: Is Russia developing an F-35-hunting UAV?

    "Mikheev says KRET is providing a deeply-integrated electronic warfare system that not only provides a protective electromagnetic sphere around the aircraft to counter air-to-air missiles, but also cloaks it from radars."

    zomg plasma stealth?

    As often happen , they use so generic terms they would apply to anything and the contrary of it.
    Anyway i seems me about active signal cancellation like on SPECTRA.
    in every case it just a mock up from an industry , when it would become something more substantial make me a call.


    Last edited by marcellogo on Thu Aug 27, 2015 10:39 am; edited 1 time in total
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    PAK-FA, T-50: News #3 - Page 16 Empty Re: PAK-FA, T-50: News #3

    Post  Stealthflanker Thu Aug 27, 2015 10:29 am

    flamming_python wrote:

    zomg plasma stealth?

    More likely "Active Cancellation"

    So basically it work by re-transmitting out of phase version of enemy radar wave. It will naturally cancel each other Thus cloak the aircraft.

    French talked about such scheme in Rafale years ago.. but i wonder how far did they go.


    Problem with Active cancellation however is that it's active.. meaning that enemy ESM might be able to pick it up. Second there might be limitation in what band can be cancelled because multiple band necessitating multiple transmitter, clearly a weight and space burden. Especially if the canceller need to cope with lower band radar (L,S or UHF in typical Western radar)
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    Post  marcellogo Thu Aug 27, 2015 10:52 am

    Stealthflanker wrote:
    flamming_python wrote:

    zomg plasma stealth?

    More likely "Active Cancellation"

    So basically it work by re-transmitting out of phase version of enemy radar wave. It will naturally cancel each other Thus cloak the aircraft.

    French talked about such scheme in Rafale years ago.. but i wonder how far did they go.


    Problem with Active cancellation however is that it's active.. meaning that enemy ESM might be able to pick it up. Second there might be limitation in what band can be cancelled because multiple band necessitating multiple transmitter, clearly a weight and space burden. Especially if the canceller need to cope with lower band radar (L,S or UHF in typical Western radar)
    Yes that-s it.
    In an UCAV maybe it is a risk worth trying
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    PAK-FA, T-50: News #3 - Page 16 Empty Re: PAK-FA, T-50: News #3

    Post  JohninMK Thu Aug 27, 2015 1:25 pm

    ST PETERSBURG, August 27. /TASS/. Government certification tests of Russia’s T-50 fifth generation fighter jet will be completed next year, the commander of the Aerospace Defense Force, Colonel-General Viktor Bondarev, told the media on Thursday.

    The T-50 fighter made its maiden flight at the beginning of 2010. Earlier, Bondarev said that in 2016 the military would purchase the first batch-produced samples of this plane.

    On Wednesday, Bondarev said that the testing of T-50 fighter was in full swing and several missile launches had been carried out.

    The new generation fighter has demonstrated "excellent results," Bondarev said.
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    Post  Berkut Thu Aug 27, 2015 2:34 pm

    JohninMK wrote:On Wednesday, Bondarev said that the testing of T-50 fighter was in full swing and several missile launches had been carried out.

    Interesting how his statements morphed from "weapon trails" (which can mean anything) to "several missile launches had been carried out". Won't believe it til plainly said by others or a video of his statements is uploaded...
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    PAK-FA, T-50: News #3 - Page 16 Empty Re: PAK-FA, T-50: News #3

    Post  Berkut Thu Aug 27, 2015 8:50 pm

    Some interesting stuff posted on paralay. First a paint scheme for 056, "spot 10 differences"...

    PAK-FA, T-50: News #3 - Page 16 GZlKqrJkN7iKBXN9Maj3PtdIwZEbw0ppufykQy9E9rdxbHKhapuqh81TRIrQBu1sPkj-AN3TLOtep_X2KTZbWw==?uid=0&filename=IMG_0001

    A friend of mine cleaned a profile up.

    PAK-FA, T-50: News #3 - Page 16 WjQHgC

    PAK-FA, T-50: News #3 - Page 16 LXXgzS

    And some sweet info and anecdotes re the phase 2 and frame rebuild...

    ...Итак, ещё в 2010-м стало ясно, что сконструирован самолёт несколько неудачно. Требуемые эксплуатационные перегрузки выдерживать не мог, на воздухозаборниках срезало заклёпки, воздухо-воздушные теплообменники трещали по сварным швам, а топливо в баке №3 категорически отказывалось расходоваться полностью. Для того, чтобы первая машина безопасно долетала назначенный ресурс в 300 часов, её в августе 2011 поставили на доработки (остальным усиление сделали в заводских условиях) и начали проектирование машины 2-го этапа (кстати, попутно извлекли из киля 50-1 оставленный там гаечный ключ). На 2-м этапе значительно увеличилась доля композитов (практически вся обшивка стала из ПКМ), но масса планера из-за усиления КСС всё равно чрезмерно увеличивалась. Тогда решили заменить во многих узлах дюраль В95 и АК-5 на алюминиево-литиевый сплав 1461Т с удельной массой почти на 20% меньше. В октябре 2012 года было принято окончательное решение о запуске 2-го этапа в производство. Было запланировано 2 машины - Т-50-7 и Т-50-8. В то время на различных стадиях производства находилось 3 машины 1-го этапа - 4, 5, 6. Но вовремя спохватились, и решили сделать 50-7 статикой. А в феврале 13-го решили сделать переходную модель и присвоили ей индекс Т-50-6. Во избежание путаницы Т-50-6 первого этапа стали именовать Т-50-6-1, а машину второго этапа - Т-50-6-2.
    Но, среди импортных комплектующих к Т-50 были и американские сотовые структуры из карбона, широко применяемые в крыле и оперении. Наше военное руководство решило, что это недопустимо и решило "импортозаместить" и поручило ОНПП "Технология" из Обнинска разработать отечественные сотовые материалы. Кстати, все остальные композиты для Т-50 делают тоже в Обнинске. Ожидаемо, обнинцы провафлили все сроки. В результате, с горя Стрелец (он сейчас ГК ПАК, а не Давиденко) в мае предложил даже снять оперение с Т-50-4 и поставить на 6-2, доработав обтекатели приводов и полуосей, но месяц назад пришли наконец сотовые наполнители.
    Другим проблемным вопросом оказался сплав 1461. Отчаянно трещал при мехобработке, тут ещё надо сказать, что сборка у нас всё ещё ведётся по технологиям 70-х годов, то есть при сборке узлов в агрегат кувалдометр ещё весьма популярен. А подобное обращение сплав вообще не переносил. В результате пошло обратное превращение материала деталей из 1461 в В-95, и иногда и снова обратно в 1461.Что, естественно, приводило в неописуемый восторг всех, прочнистов особенно.
    Таким образом прошёл 2013, 2014 и только в феврале 2015-го был состыкован фюзеляж 6-2...

    ... So, back in 2010, it became clear that a few poorly designed plane. Required operating overload withstand could not cut the rivets on the air intakes, air-to-air heat exchangers for cracked welds, and the fuel in the tank №3 categorically refused consumed completely. To the first safety car came the assigned resource to 300 hours, in August 2011, it delivered on completion (the rest of the gain made in the factory), and started to design the machine of the 2nd stage (by the way, incidentally removed from the keel 50-1 left there wrench key). At the 2nd stage significantly increased the proportion of composites (virtually the entire lining of the RMB has become), but the weight of the airframe due to increased KCC still excessively increased. Then they decided to replace many nodes B95 duralumin and AK-5 on the aluminum-lithium alloy 1461T with a specific weight of almost 20% less. In October 2012, the final decision on the launch of the 2nd stage of production. It was planned 2 cars - T-50-7 and T-50-8. At that time, at different stages of production are 3 cars 1st stage - 4, 5, 6. But just woke up and decided to make a 50-7 statics. And in February, the 13th decided to make the transition model and assign the T-50-6. To avoid confusion, the T-50-6 of the first phase became known as T-6.1.50, and the second phase of the machine - T 2.6.50.
    But among the imported parts to the T-50 were American cellular structure of carbon fiber, widely used in the wing and tail. Our military leadership decided that this is unacceptable and has decided to "importozamestit" and instructed CVTs "Technology" from Obninsk develop domestic cellular materials. By the way, all the other composites for the T-50 is also made in Obninsk. Expectedly, obnintsev provaflili all time. As a result, grief Sagittarius (he is now GK Pak, not Davydenko) in May even suggested removal of plumage from T-50-4 and put on 6-2, modified fairing and drive spindles, but a month ago finally came honeycomb.
    Another problematic issue was the alloy 1461. Desperate crackled when mechanical working, then there must be said that the assembly we still conducted on technologies 70s, that is, the assembly units in unit kuvaldometr still very popular. A similar treatment alloy does not bore. As a result, it went reconversion of the parts of the 1461 B-95, and sometimes back again in 1461.Chto, of course, led to the indescribable delight everyone, especially prochnistov.
    Thus passed in 2013, 2014 and in February 2015 of the fuselage was docked 6-2 ...
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    Post  mack8 Thu Aug 27, 2015 9:02 pm

    Thanks Berkut. Well, not sure if you mean cammo or constructive differences, but if the drawing is an accurate representation of 056, constructively it appears the sting is reshaped, no R2D2, appears to have sensors on the intake sides (unless actually that's supposed to show a badge?), different N-036 side array apperture shape, canopy is like on 052, possibly the IRST is different as well. What did i missed?
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    Post  Berkut Thu Aug 27, 2015 9:34 pm

    I mean details/construction, camo (atleast the outline/style) is like on T-50-5. You have missed by far and away the most important thing. Wink Look again. Razz I wouldnt really count sensors, those change a lot all the time. And that is not sensors on the intake sides, that is stealthy bleed grids. And that is not the side AESA panel, it is a panel next to it.
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    Post  mack8 Thu Aug 27, 2015 10:01 pm

    Berkut wrote:I mean details/construction, camo (atleast the outline/style) is like on T-50-5. You have missed by far and away the most important thing. Wink Look again. Razz I wouldnt really count sensors, those change a lot all the time. And that is not sensors on the intake sides, that is stealthy bleed grids. And that is not the side AESA panel, it is a panel next to it.

    Well, the last two things i can think of are the engine nacelles being painted (which i did missed earlier), and/or that whole scheme actually being the RAM paint mentioned recently?
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    Post  Berkut Thu Aug 27, 2015 10:23 pm

    Correct. We kinda knew that the engines would be covered in phase 2 articles (from models and T-50-7) but this is another and final conformation. More stuff if anyone cares...

    PAK-FA, T-50: News #3 - Page 16 BGZOEA
    PAK-FA, T-50: News #3 - Page 16 B5MA26
    PAK-FA, T-50: News #3 - Page 16 5HIGyB
    PAK-FA, T-50: News #3 - Page 16 6jEq2t
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    Post  kvs Fri Aug 28, 2015 4:10 am

    Berkut wrote:
    ...Итак, ещё в 2010-м стало ясно, что сконструирован самолёт несколько неудачно. Требуемые эксплуатационные перегрузки выдерживать не мог, на воздухозаборниках срезало заклёпки, воздухо-воздушные теплообменники трещали по сварным швам, а топливо в баке №3 категорически отказывалось расходоваться полностью. Для того, чтобы первая машина безопасно долетала назначенный ресурс в 300 часов, её в августе 2011 поставили на доработки (остальным усиление сделали в заводских условиях) и начали проектирование машины 2-го этапа (кстати, попутно извлекли из киля 50-1 оставленный там гаечный ключ). На 2-м этапе значительно увеличилась доля композитов (практически вся обшивка стала из ПКМ), но масса планера из-за усиления КСС всё равно чрезмерно увеличивалась. Тогда решили заменить во многих узлах дюраль В95 и АК-5 на алюминиево-литиевый сплав 1461Т с удельной массой почти на 20% меньше. В октябре 2012 года было принято окончательное решение о запуске 2-го этапа в производство. Было запланировано 2 машины - Т-50-7 и Т-50-8. В то время на различных стадиях производства находилось 3 машины 1-го этапа - 4, 5, 6. Но вовремя спохватились, и решили сделать 50-7 статикой. А в феврале 13-го решили сделать переходную модель и присвоили ей индекс Т-50-6. Во избежание путаницы Т-50-6 первого этапа стали именовать Т-50-6-1, а машину второго этапа - Т-50-6-2.
    Но, среди импортных комплектующих к Т-50 были и американские сотовые структуры из карбона, широко применяемые в крыле и оперении. Наше военное руководство решило, что это недопустимо и решило "импортозаместить" и поручило ОНПП "Технология" из Обнинска разработать отечественные сотовые материалы. Кстати, все остальные композиты для Т-50 делают тоже в Обнинске. Ожидаемо, обнинцы провафлили все сроки. В результате, с горя Стрелец (он сейчас ГК ПАК, а не Давиденко) в мае предложил даже снять оперение с Т-50-4 и поставить на 6-2, доработав обтекатели приводов и полуосей, но месяц назад пришли наконец сотовые наполнители.
    Другим проблемным вопросом оказался сплав 1461. Отчаянно трещал при мехобработке, тут ещё надо сказать, что сборка у нас всё ещё ведётся по технологиям 70-х годов, то есть при сборке узлов в агрегат кувалдометр ещё весьма популярен. А подобное обращение сплав вообще не переносил. В результате пошло обратное превращение материала деталей из 1461 в В-95, и иногда и снова обратно в 1461.Что, естественно, приводило в неописуемый восторг всех, прочнистов особенно.
    Таким образом прошёл 2013, 2014 и только в феврале 2015-го был состыкован фюзеляж 6-2...


    One has to marvel at the whiner tone of this author. What idiot expects an aircraft design to emerge from CAD/CAM software and
    be fully complete? There is a reason for real world testing any system built: there are too many degrees of freedom in these systems
    to ever be able to model to the 100% level. Perhaps the author is some kreakl (liberast) who is dazzled at the marvelous design
    process of the F-35. Building experimental frames is just so backward. And import substitution to secure oneself from a hostile
    military alliance (NATO) is proof of Russian inferiority.
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    Post  Berkut Fri Aug 28, 2015 1:02 pm

    Wth. There is nothing wrong with his tone at all. He is just stating facts as he goes along. Hardly surprising they didn't complete the task on time. Some people, like you, apparently doesn't like to hear about T-50 having any problems... I do like to hear about them, it is interesting to get insight into its engineering. And there is a natural bias about reporting any issues. How many news outlets reported on T-50's frequent stab changes? Or T-50-3 almost crashing?
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    Post  Austin Fri Aug 28, 2015 1:12 pm

    Update from MAKS , Bill Sweetman

    http://aviationweek.com/MAKS#slide-0-field_images-1348821
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    Post  Stealthflanker Fri Aug 28, 2015 3:10 pm

    anyway quick question :3

    Say i go to MAKS... can i brought ruler and basically measure stuff there ? Like say. Su-35's airfoil thickness etc..
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    Post  Berkut Fri Aug 28, 2015 5:35 pm

    Stealthflanker wrote:anyway quick question :3

    Say i go to MAKS... can i brought ruler and basically measure stuff there ? Like say. Su-35's airfoil thickness etc..

    Is there any particular reason you don't understand the concept of barriers? And considering someone got yelled at by some asshole for taking pictures of MiG 1.44 from a supposedly "secret" angle, what do you think?
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    Post  Guest Fri Aug 28, 2015 9:18 pm

    Stealthflanker wrote:anyway quick question :3

    Say i go to MAKS... can i brought ruler and basically measure stuff there ? Like say. Su-35's airfoil thickness etc..
    It would sure make the job of intelligence agencies a lot easier if it was like that....
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    PAK-FA, T-50: News #3 - Page 16 Empty Re: PAK-FA, T-50: News #3

    Post  Stealthflanker Sat Aug 29, 2015 4:59 am

    Berkut wrote:
    Is there any particular reason you don't understand the concept of barriers? And considering someone got yelled at by some asshole for taking pictures of MiG 1.44 from a supposedly "secret" angle, what do you think?

    I am fully aware and understand.

    The thing is, I see the best way to clear out speculation is just "take action"

    maybe not a ruler but a tablet with software for measurements.
    higurashihougi
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    Post  higurashihougi Sat Aug 29, 2015 10:39 am

    Meanwhile in the West, propaganda media are getting crazy about the fact that T-50 can surely outcompete F-22 and other fighters of the West.

    A certain a**hole named Unknown Industry Source claimed that T-50 is 4.5 gen, not 5 gen lol1 lol1 lol1 lol1

    http://nationalinterest.org/blog/the-buzz/russias-lethal-stealth-pak-fa-t-50-fighter-high-hopes-big-13718
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    Post  magnumcromagnon Sat Aug 29, 2015 5:42 pm

    higurashihougi wrote:Meanwhile in the West, propaganda media are getting crazy about the fact that T-50 can surely outcompete F-22 and other fighters of the West.

    A certain a**hole named Unknown Industry Source claimed that T-50 is 4.5 gen, not 5 gen lol1 lol1 lol1 lol1

    http://nationalinterest.org/blog/the-buzz/russias-lethal-stealth-pak-fa-t-50-fighter-high-hopes-big-13718

    Remember the same people claim that Russia can't afford the T-50 or the Armata because it's 'bankrupt', even though Russia's Debt-to-GDP is only 27% and shrinking at a steady pace, much smaller percentage than the average Western nation I might add.
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    Post  sepheronx Sat Aug 29, 2015 8:49 pm

    higurashihougi wrote:Meanwhile in the West, propaganda media are getting crazy about the fact that T-50 can surely outcompete F-22 and other fighters of the West.

    A certain a**hole named Unknown Industry Source claimed that T-50 is 4.5 gen, not 5 gen lol1 lol1 lol1 lol1

    http://nationalinterest.org/blog/the-buzz/russias-lethal-stealth-pak-fa-t-50-fighter-high-hopes-big-13718

    Can you please stop posting garbage?  You seem to keep posting articles from questionable sources on anything negative about Russia and Russian production.  We get it, there are idiots/assholes out there spreading BS.  But we don't need to go through each and every one of them, every time, repeating ourselves on how it is garbage and how they are wrong.

    Of course, there are people who call it a 4.5 gen, or a 3gen aircraft. There were professionals who said that the aircraft never existed prior to its photos being leaked. Then they said they couldn't afford the development of it. Then they say they cannot afford the procurement of it, then blah blah blah.

    The experts are retarded.


    Last edited by sepheronx on Sat Aug 29, 2015 8:51 pm; edited 1 time in total
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    Post  sepheronx Sat Aug 29, 2015 8:50 pm

    Russia’s T-50 radar almost ready for serial production
    The Tikhomirov NIIP radar system built for Russia’s first fifth-generation combat jet, the Sukhoi T-50, is “99% ready” to enter serial production but must first complete a series of development tests.

    The active phased array radar consists of one forward-looking X-band radar in the nose section and two side-scanning arrays as well as L-band antennas along the wing flaps.

    The system has been put on display for the first time at the MAKS air show in Moscow, and deputy chief designer of NIIP radar systems Andrey Sukhanov says he doesn’t have a time line for when the testing will conclude, but he is confident the overall design is stable barring minor tweaks.

    “A lot of different equipment and items are involved in this testing, because it’s not only the radar being tested but the avionics of the entire system,” he says. “This is similar to the Lockheed Martin F-22, and the F-35 testing that is taking place now. It does not depend on which country or manufacturer, because the problems encountered are always the same".

    “If the testing finds some things that require finalization or adjustments then it will be done, but as for our estimate, the radar is 99% ready for serial production.”

    He gave little detail regarding the radar’s capability, other than to say it comes with air, ground and maritime modes and is easily adaptable to new air-launched weapons.

    Sukhanov was also hesitant to say the number of threats the radar can track and target simultaneously, except to say “no fewer than the Su-35”. State defence exporter Rostec claims that aircraft can track up to four ground or 30 airborne targets out to 400km, while simultaneously attacking up to eight airborne targets.

    The supermanoeuvrable supersonic jet is the leading attraction at the show, and the head of United Aircraft (UAC) Yuri Slyusar said at a press conference 26 August that the programme is on track despite reports of a slow-down. The Russian Ministry of Defence’s latest plan is to procure 55 T-50s through 2020, although the go-ahead for that number depends on the performance of the first 12.

    The Russian government’s lukewarm embrace of the T-50 stands in contrast to the stated importance of the project, both in terms of its nationalistic appeal and stimulation of the domestic aerospace industry.
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    Post  Cyberspec Sun Aug 30, 2015 7:25 am

    kvs wrote:
    Berkut wrote:
    ...Итак, ещё в 2010-м стало ясно, что сконструирован самолёт несколько неудачно. Требуемые эксплуатационные перегрузки выдерживать не мог, на воздухозаборниках срезало заклёпки, воздухо-воздушные теплообменники трещали по сварным швам, а топливо в баке №3 категорически отказывалось расходоваться полностью. Для того, чтобы первая машина безопасно долетала назначенный ресурс в 300 часов, её в августе 2011 поставили на доработки (остальным усиление сделали в заводских условиях) и начали проектирование машины 2-го этапа (кстати, попутно извлекли из киля 50-1 оставленный там гаечный ключ). На 2-м этапе значительно увеличилась доля композитов (практически вся обшивка стала из ПКМ), но масса планера из-за усиления КСС всё равно чрезмерно увеличивалась. Тогда решили заменить во многих узлах дюраль В95 и АК-5 на алюминиево-литиевый сплав 1461Т с удельной массой почти на 20% меньше. В октябре 2012 года было принято окончательное решение о запуске 2-го этапа в производство. Было запланировано 2 машины - Т-50-7 и Т-50-8. В то время на различных стадиях производства находилось 3 машины 1-го этапа - 4, 5, 6. Но вовремя спохватились, и решили сделать 50-7 статикой. А в феврале 13-го решили сделать переходную модель и присвоили ей индекс Т-50-6. Во избежание путаницы Т-50-6 первого этапа стали именовать Т-50-6-1, а машину второго этапа - Т-50-6-2.
    Но, среди импортных комплектующих к Т-50 были и американские сотовые структуры из карбона, широко применяемые в крыле и оперении. Наше военное руководство решило, что это недопустимо и решило "импортозаместить" и поручило ОНПП "Технология" из Обнинска разработать отечественные сотовые материалы. Кстати, все остальные композиты для Т-50 делают тоже в Обнинске. Ожидаемо, обнинцы провафлили все сроки. В результате, с горя Стрелец (он сейчас ГК ПАК, а не Давиденко) в мае предложил даже снять оперение с Т-50-4 и поставить на 6-2, доработав обтекатели приводов и полуосей, но месяц назад пришли наконец сотовые наполнители.
    Другим проблемным вопросом оказался сплав 1461. Отчаянно трещал при мехобработке, тут ещё надо сказать, что сборка у нас всё ещё ведётся по технологиям 70-х годов, то есть при сборке узлов в агрегат кувалдометр ещё весьма популярен. А подобное обращение сплав вообще не переносил. В результате пошло обратное превращение материала деталей из 1461 в В-95, и иногда и снова обратно в 1461.Что, естественно, приводило в неописуемый восторг всех, прочнистов особенно.
    Таким образом прошёл 2013, 2014 и только в феврале 2015-го был состыкован фюзеляж 6-2...


    One has to marvel at the whiner tone of this author.   What idiot expects an aircraft design to emerge from CAD/CAM software and
    be fully complete?  There is a reason for real world testing any system built: there are too many degrees of freedom in these systems
    to ever be able to model to the 100% level.    Perhaps the author is some kreakl (liberast) who is dazzled at the marvelous design
    process of the F-35.   Building experimental frames is just so backward.   And import substitution to secure oneself from a hostile
    military alliance (NATO) is proof of Russian inferiority.  

    It's good to hear about the problems encountered along the way, but yes, I agree the author is a 'know it all - whiner'

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