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Jō Asakura

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Viewing 15 posts - 316 through 330 (of 1,223 total)
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  • Jō Asakura
    Participant

    Deino, once again go back and read that link (it’s not Russian btw.). The “earmarked for” document wasn’t from the Russian media but was an official, internal UAC document. I, frankly, care not for the babblings of RIA et al. Anyways, you seem to be upset by the points I raised.

    I would like to add, however, that the Chinese aviation industry is a perfect example of how simply throwing huge amounts of cash at an [engineering] problem is no guarantee of success. The ‘success’ it has experienced thus far is from copying/counterfeiting (Lavi, Su-33) consultancy (Project 941/WZ-10, Yakovlev/L-15 and no doubt J-20), and probably industrial espionage (J-31).

    Also, if memory serves, you were most prominent and vociferous in rubbishing these claims until evidence to the contrary was presented. I find it truly remarkable that several years ago you derided J-10/Lavi comparisons as pure speculation and propaganda from jealous quarters and drunk russians- yet recently presented a pic of a Lavi prototype (in China) with J-10’s chief designer standing next to it with a huge grin on his face- as a World exclusive!! Incredible!!

    If you don’t care to apologise to posters here who warned you of such a possibility (and bore the brunt of your emotions), will you apologise if and when significant Russian involvement in the J-20 comes to light?

    One of the main reasons the Chinese ‘aviation success story’ is largely illusory, is due to the lack of an organic industry with a long-established know-how base. The same can be said of other wannabes such as India and Japan.

    With these points in mind shouldn’t the Russian aviation industry be applauded for simply staying alive in the 1990s, consolidating in the 2000s and now in the near future will bear fruits of it’s investments? Conversely to China, don’t you think they have achieved much with relatively little funding? I do, and I think much of it is down to the aforementioned ‘organic base’, that’s why the Chinese continue to make use of it.

    Jō Asakura
    Participant

    Ugh.

    All the links but so little understanding to go with it.

    1. The autoclave is the expense and the autoclave is the bottleneck. Both approaches remove need for an autoclave.

    2. MS-21 will hit the skies a decade after A350. No one is surprised by technology continuing to advance in the meantime.

    The very point of this thread is who’s where, with what and how. As the MS-21 is tangible and not from fairyland, the very same materials and advanced production technologies are earmarked for PAK-FA, PAK-DA, UCAV etc (I have previously posted a recent official document pertaining to these requirements). The above link gives you an insight into the specifics of these questions, the words “leapfrog Boeing & Airbus” aren’t my own.

    If you had read the link, then in the context of this thread- you would not have responded with such shallow, sweeping generalisations.

    Jō Asakura
    Participant

    Airbus are already manufacturing parts of the A350 FTE using out of autoclave.

    So the MS-21 will use the maturing technology about a decade later for PSEs. Not really streets ahead and not really surprising.

    I’ll not even dignify the LEAN remark with a proper answer.

    So MTM-44-1 FTEs consist of automated dry fibre placement subsequently processed by an integrated resin infusion system consisting of both an injection module and heat module (i.e. localized induction heating in a VARTM process)?

    No? Then let me know how many streets ahead you think this process is.

    Jō Asakura
    Participant

    …in the same I disagree with Jō Asakura’s opinion, that the “Russian manufacturing processes will be streets ahead of the West” … just compare how Airbus & Boeing produces their aircraft and how this is done in Russia even now).

    Deino

    Deino, would please read my words carefully, then read the ‘CompositesWorld’ link provided carefully.

    If you take the plunge and invest in brand new materials, production technologies & methods for a new aircraft like the MS-21, it puts you significantly ahead of the competition who won’t simply invest in humongous capital retooling, materials development and testing to be implemented on current or upcoming series production aircraft- for the hell of it.

    They will wait for the next generation to be developed, especially when these new technologies and materials are employed in fundamental, primary structures. This will result in a lag of years, possibly a decade or more. Savvy?

    Ironic that the calamities that befell the Russian aviation industry in the 1990s may have turned out to be a blessing in disguise.

    Jō Asakura
    Participant

    You’re quite cheeky, Amiga. Let me add to the cheekiness. Shortly, Russian manufacturing processes will be streets ahead of the West (thanks partly to the West & Japan), let alone China:

    http://www.compositesworld.com/articles/resin-infused-ms-21-wings-and-wingbox

    …and Sukhoi et all introduced Japanese LEAN production management methods some time ago, with their own tweaks:

    http://rbth.co.uk/science_and_tech/2013/07/10/sukhoi_superjet_inspectors_use_ipads_to_check_assembly_quali_27937.html
    http://www.vedomosti.ru/career/news/13961601/fotografiya-s-brakom

    in reply to: The PAK-FA News, Pics & Debate Thread XXIV #2231333
    Jō Asakura
    Participant

    If the same testbed ‘bort 710’ was used for the 117 engines, i do not know, i have not read about it, but it may be the case.

    On 710 only the starboard engine is 117. It has relocated access panels and a slightly larger, flared cowling. This means it is not installed in the same way as the port engine (whatever legacy AL-31F), i.e. the gas turbine starter, oil tank and other ‘furniture’ are not mounted directly on top of the engine but either offset to the sides or underneath (even the auxiliary gearbox may be slightly offset):

    http://russianplanes.net/id104148
    http://russianplanes.net/id132673

    As an aside, here the differences in installation between T-50 & Su-35S are clear:

    http://forumimage.ru/uploads/20140615/140281027255019597.jpg
    http://topwar.ru/uploads/posts/2014-02/1392993035_1.jpg

    Note height differences (and location) of T-50’s actual duct spacing, and hence totally debunks a certain infamous pic, nudge, nudge, wink, wink, hint, hint…

    The twelve 117 engines ordered (including spares) are for T-50s to come after T-50-5 (T-50 prototypes ‘of the second stage’). There’s no way ‘Type 30’ will go directly to these.

    Oh, and 117S (AL-41F-1A) was indeed flight tested aboard an Su-27M:

    http://www.flightglobal.com/news/articles/npo-saturn-submits-new-fighter-engine-for-tests-174568/

    in reply to: The PAK-FA News, Pics & Debate Thread XXIV #2232550
    Jō Asakura
    Participant

    For those who aren’t familiar, what are these significant changes? Painted nacelles? New nozzles? Possibly reshaped rear fuselage?

    For want of a laborious search of fora archives stretching back 10 months*, if memory serves our ‘reliable insider’ stated ‘a much greater use of composites’; ‘major structural changes including aerodynamic and stealth refinements’ and ‘though nothing as radical as the redesign of T-10 to T10S- the differences to the lay viewer will be striking. Though for us [@ KnAAPO] it’s just a natural progression’.

    My money’s on all-composite cowlings, all-composite tail fins, and generally a highly refined airframe/surface finish.
    One can GT the last paragraph here, which hints at a new generation of composites for “T-50 prototypes of the second stage”:

    http://www.ng.ru/economics/2013-12-23/100_composit.html

    Also, there’s a chance they may incorporate the intelligent adaptive LE flaps of the Su-27KUB.

    *having said that, I did find this gem where he scoffed @ T-50 not having S-ducks and would rely on blockers 😉

    По Т-50, в сети достаточно фотографий, посмотрите внимательно. Какие там воздухозаборники? Проект развивается, скоро получим новую машину с изменениями в конструкции.

    Haavarla, those aren’t my words, read the last sentence (in red), carefully.

    in reply to: The PAK-FA News, Pics & Debate Thread XXIV #2232595
    Jō Asakura
    Participant

    Here is an extract from 117 producer’s (OAO UMPO’s) FY13 financial audit:

    изделие 117. Головной разработчик – ОАО «УМПО» (в лице филиала «ОКБ им. А. Люльки»). В рамках проведения опытно-конструкторских работ по изделию 117: • завершены ресурсные испытания изделий 117: одного на назначенный ресурс 1500 ч., второго – на первые 750 ч. до капитального ремонта; • обеспечен полет пятого ПАК ФА (Т-50) с изделиями 117 производства ОАО «УМПО»; • изготовлены и поставлены МО РФ 5 изделий; • размещен заказ на 12 дополнительных изделий 117 для объектов ПАК ФА Т-50 2ого этапа.

    Article 117. Lead developer – JSC “UMPO” (represented by the branch “OKB. Lyul’ka”). As part of the development work on the Article 117: • completed endurance testing on 117 firstly, on the assigned resource of 1,500h., The second – for the first 750 hours until overhaul; • provided for the fifth PAK FA (T-50) prototype with 117 engines produced by OJSC “UMPO”; • manufactured and supplied 5 engines to the Russian Defense Ministry; • placed an order for 12 additional Article 117 engines for PAK FA T-50 [prototypes] of the 2nd stage.

    AfaIk, this is the first official confirmation of the significant changes to upcoming prototypes previously alluded to by ‘the reliable insider’, and is probably the cause of delays to the schedule. The order for 12 additional 117s may indicate 5 ‘Stage 2’ prototypes to come (assuming 2 spare engines).

    in reply to: The PAK-FA News, Pics & Debate Thread XXIV #2287815
    Jō Asakura
    Participant

    For the the first time ever, official confirmation of the shape of the duck (front), c/o paralay. Also, impact studies for the T-50’s engine FOD screen using Dytran2012 engineering software:

    http://paralay.iboards.ru/download/file.php?id=17377&mode=view
    http://www.csoft.ru/300x300/assets/images/soft/msc-dytran/Dyt_4_20422.png

    in reply to: Indian Air Force Thread 20 #2291010
    Jō Asakura
    Participant

    Actually, price in itself was a tad cynical. Shortly the government will announce a raising of the FDI cap in defence from the current 26% to 49%*(and even higher rates for greater ToT). This stands EADS in good stead, especially as their FDI would entail a more accommodating stance on localised production and, crucially, ToT. So Dassault falls down on all three of the aforementioned: price, FDI and ToT.

    I wouldn’t describe it as a step backwards “several years” either, more a ‘clean sheet’ tender for a new administration.
    NaMo has an enviable record of getting things done & dusted very quickly.

    * http://articles.economictimes.indiatimes.com/2014-07-03/news/51057412_1_defence-sector-fdi-cap-defence-production
    http://in.reuters.com/article/2014/07/08/india-britain-hague-idINKBN0FD1D920140708

    in reply to: Indian Air Force Thread 20 #2291201
    Jō Asakura
    Participant

    Don’t get your hopes too high for the Rafale deal getting signed this fiscal. In fact, given the bitter medicine going to be doled out in Thursday’s budget (and in subsequent ones), unless the French can come up with a hugely attractive package, it will be lucky to be signed in FY16.

    The huge cost escalation is simply not palatable to the Finance Ministry nor sellable to the public, that’s why EADS/Merkel sniff blood.

    Imho, the Rafale deal is dead in the water.

    Jō Asakura
    Participant

    Vnomad, I never said an axis or alliance of Russia, India and China- but I can certainly guarantee greater economic co-operation and trade. This will inevitably lead to some shaping of common geopolitical interests and alleviation of present tensions.

    Do you think an extension to the Russian gas pipeline via China to India can be achieved without resolution of their current border disputes? and without a major de-escalation and thawing of relations? The french 1Bn Euro infrastructure credit line sweetener for the Rafale is derisory as many blue chip Indian companies have been securing major loans and/or debt rescheduling from Chinese banks for several years now.

    Team Modi will simply take Indo-Chinese trade & economic relations to new heights. To coin Clinton’s phrase “it’s the economy, stupid!”

    Halloweene, is ‘Herald de Paris’ French for BS too?

    http://www.heralddeparis.com/france-french-fm-offers-india-1-bn-to-fund-projects-as-rafale-talks-stall/238561

    Jō Asakura
    Participant

    The Rafale’s MRCA competition was over years ago yet no agreement. Stalling the agreement has raised costs. India pegged the deal’s value onto a currency that is in serious flux while their own currency waivers. Its a situation they created. Stalling the deal is their own bureaucracy. Dassault isn’t some green rookie. Unfortunately its looking like India’s leadership is exactly that.

    I think you guys are missing some important points. Narendra Modi’s landslide election victory is being seen as the most important since Indian independence (in 1947). Some commentators have stated that it is nothing short of a revolution.

    The Indian electorate have given the BJP a mandate to implement the stalled economic reforms of the of the previous decade and pursue a high-growth economic reform plan. The initial stages of these proposals will be outlined next week in the economic budget.

    As such, there is little consideration for the [non-economic] policy ‘overhang’ that plagued the previous Congress government- and that includes the MMRCA. NaMo is determined to court good relations with India’s neighbours by the ‘make trade, not war’ mantra, (the French are wising up to this by offering �1bn in cheap loans in the MMRCA deal, for infrastructure projects) after all, what signal does the purchase of 126 Rafales (at exorbitant prices) send?

    If Dassault must’ve been a tad alarmed to see the Pakistani PM @ Modi’s inauguration they (and the US) will be positively pulling their hair out at the overtures Modi intends to make to the Chinese. This is the consequence of Obama’s flawed ‘Pivot to Asia’ strategy and mismanagement of Putin and Ukraine.

    Hence the Indian government finds itself in the enviable position of everybody wanting to be their friend- but GDP growth will come first. For Putin, his energy deals with India will constitute the second ‘ace up his sleeve’, in his very own ‘pivot to Asia’.

    So yes, the Modi government will become more decisive, efficient and transparent in their decision making, the French may be the first to witness the dynamism of this vibrant, new government……..when it cancels MMRCA altogether or re-tenders it.

    JMTs.

    in reply to: Indian Air Force Thread 20 #2292967
    Jō Asakura
    Participant
    in reply to: Typhoons intercept Russian air armada #2293178
    Jō Asakura
    Participant

    Perhaps if you don’t say stupid crap……Engine power LOL. How does that factor into range?

    Do you actually understand the term ‘Specific Fuel Consumption’?! Well, if you transpose the Breguet equation with g*SFC and your beloved L/D, V(L/D), to be precise- you’ll see what it has to do with range (i.e. everything).

Viewing 15 posts - 316 through 330 (of 1,223 total)