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  • in reply to: PAK-FA Saga Episode 14 #2411609
    over G
    Participant

    The present T-50 prototype is similar the former YF-22 in its development path or an “empty shell”.
    Even the engines are not the final ones. The Russians are not eager to repeat their disaster with the first T-10s. Nothing wrong about that and still 6 years to go before the first series examples will be built.

    Ok, i can understand this comment..i can understand the ‘pessimism’, but i doubt, i really doubt the T-10 was doing aerobatics, high aoa maneuvers, turning and composed maneuvers at low level after the 15-16th flight, i doubt even was ready to do this, i don’t know how, probably the pakfa’s first flight was not the first, and the ‘ugly’ things of the program were left behind already.

    So i’m a bit more optimist

    BTW, the yf-22 was an ’empty shell’, because it was a demonstrator, this pakfa (t-50) is a prototype, heck, there are even pictures suggesting they are testing the radar already.

    in reply to: PAK-FA Saga Episode 14 #2411666
    over G
    Participant

    Who are ‘vesti’ and where all this data come from?

    When you see pictures of the Pakfa with the flanker you can see the T50 is smaller, now, if the Su-35 does have a claimed weight of 16 tons , then this Pakfa could be even lighter.

    There is no reliable data from this aircraft anyways, so really until Su releases some data everything is just speculation.

    I really don’t think russians will bother with the flat square pads for the Pakfa, there is no use for that.

    Most likely the final aircraft won’t suffer great modifications

    Bad programs always need great modifications

    in reply to: Non-X-band airborne fire control radars? #2411841
    over G
    Participant

    Are there any examples of reasonably modern airborne fire control radars that operate primarily outside of X-band?

    None…radar engineers are not Raptor’s cheerleaders…

    About the foxhunter, it operates at 8-10Ghz , so is basically X band.

    J-band is actually X band

    Is fun, because after 20 years of the “stealth” showdown, nobody is giving a flying f*ck about it, radar designers are pretty confident.

    The only system that could be operated in such way, and actually has a complete incorporation for such operation is the Elta’s radar for the Arrow, of course it does need very long range for a successful tracking since it is a ABM, not sure if this is that important, but it shows the technology is there (for the kids that love to say that L-band is not compatible for tracking), russians seems to be very happy with X band for long range tracking , the US designers as well (THAAD).

    in reply to: PAK-FA Saga Episode 13 #2412857
    over G
    Participant

    Wonder how can we compare the progress of this program (14 flights, in 3 months? probably not a lot, but then i have no clue regarding this) with other similar programs (EF, F22, F35), i think for the 3th flight no modern prototype was doing high AoA testings which probably was done for the T50, i may be wrong of course.

    Seems Sukhoi has a lot of confidence on this design.

    in reply to: F-35 replacing A-10 ????? #2418563
    over G
    Participant

    simulating gun passes.

    How do you know this?

    Is funny, because i got a document in which shows how to deal with a tank, and i get some people that were looking the plane doing maneuvers, in which one can’t define really the height speed or mission profile.

    Sure

    well, then they should be close, let’s say one is 35mm while the other is 30mm, where is the big deal, if you gonna get a lucky penetration in a weakened area?

    in reply to: F-35 replacing A-10 ????? #2418600
    over G
    Participant

    Looking at it closer, both guns are basically the same, the gau-8 and the russian one, both make of use of rounds of 400grs and the muzzle velocity are almost the same , 950 to 1050m/sec, i don’t get why all the hyping over the GAU8.

    Would like to know the penetration ranges, but are probably both the same..

    in reply to: F-35 replacing A-10 ????? #2418632
    over G
    Participant

    I don’t get why all your crying TJJ, read again what i’m telling, BTW, check your crayon T-62 book, all aspects taken to attack the target, no high incidence aspect shown, no ‘right trough the top’ garbage.

    very annoying crap BTW ‘you can’t believe all the things the gau8 can do against the rear tank’..tss, after 6 passes right?

    Why not logon and run your theories past Dice-Man?

    You must be kidding if i gonna do this..I’m telling you the difference between the facts and the hot macho bravado talking.

    Not trying to convince people here, is up to you what you want to believe

    **

    People can’t difference what is an anti X device, and what could be..below 500m..with a lot of luck..and a pray used as something close to an anti X device.

    in reply to: F-35 replacing A-10 ????? #2418815
    over G
    Participant

    Funny you are not commenting the other post ‘alfakilo’, btw i don’t see what troubles do i have ‘sticking’ with my original argument

    A dive from 700m is a maneuver of 5-3 seconds warning, pilots are not that stupid, the A-10 was never operated in such way

    Read the procedures of how these T-62s were engaged, the one that TJJ so generously gave to us…

    o I don’t see why the GAU-8 (which can penetrate 68mm@500m)

    That’s 500m, or a dive of 45º at 300m of height (lol), and still yet the relative roof armor of the T-62 is 60mm at 45º of incidence , not just 40mm

    And you will need a couple of passes for it…

    in reply to: PAK-FA Saga Episode 13 #2418991
    over G
    Participant

    My concern is not where to place the hook, which probably will be a conventional one with a slightly longer tail, but how the internal structure will distribute the loads.

    Remains to be seen, nobody , i think, can answer this with 100% of accuracy, although is probably not a big deal, they will probably make a very robust bomb bay 🙂

    in reply to: F-35 replacing A-10 ????? #2419031
    over G
    Participant

    I won’t fall in the GW war reporting, because many destroyed ‘tanks’ were not actually tanks.

    The armor-piercing capability of the DU projectiles fired from A/OA-10s proved exceptionally effective in countering threats from the Iraqi tanks so that a successful ground offensive could then be achieved.

    blah, blah, blah, destroy a jeep and call it tank, go and blow out a transport vehicle and call it tank

    I’d rather go in how these planes were operated and the specifications of the gun itself

    in reply to: PAK-FA Saga Episode 13 #2419039
    over G
    Participant

    The structure/hook can be reinforced to the part of the main upper frame.

    The bomb bay is part of the upper airframe as well, is in middle of everything

    ***************

    Must say i’m starting to like th T50, at least is showing some innovations, and while all the 5th gen airplanes are more a evolution than a revolution from the 4th gem, at least the pakfa will try different things in terms of aerodynamics and structure.

    in reply to: PAK-FA Saga Episode 13 #2419050
    over G
    Participant

    Simple IMO.

    No, is not simple, IMO

    The bomb bay is actually exposed to some sort of deformation, unless the designers make a isolated structure for the hook, well this actually depends on many factors, but sure wont be ‘simple’

    in reply to: PAK-FA Saga Episode 13 #2419067
    over G
    Participant

    Wonder if the landing gear design was intended for carrier operations, the Su-47 was actually intended for it, if i recall well.

    Now the next problem , as somebody else pointed out, is where the arrestor should be placed, since the bomb bay is actually placed in the normal location, and how the russians will solve the load distribution for any arrestor located just behind the bomb bay…

    in reply to: F-35 replacing A-10 ????? #2419071
    over G
    Participant

    About time for the pro-USA crowd jumped on it..

    Do you realize these tests were done with very very low flying planes, with just 5-3º of diving?

    The round has a penetration of just 35 mm at 1000m, if they ‘penetrated’ T-62s depends on of how these tests were conducted, these tests were done with planes at 5º of diving..so much for the ‘shot right through the top’ tale, the round is not anti tank.

    If i recall well from around 1000 rounds fired, 100 impacted, and just 15 ‘penetrated’ (God knows what does this mean), all this needed 6 passes (and this is the most funny thing about your test) on a old static 60’s tank as target…just because they tested it, does not mean was efficient or intended for

    These videos of the rounds pulverizing at the tank’s hulls sure are impressive…for kids..

    in reply to: PAK-FA Saga Episode 13 #2419161
    over G
    Participant

    That being said , i read somewhere that the rumour is the guy who took and leaked

    I really, really doubt it

    The PAKFA’s general (or almost…the actual) configuration was leaked with the saturn picture, i really think you guys are overrating how ‘important’ are these ‘secrets’.

    I don’t think the T50 will get the ‘s-duct’, i’m still dreaming for some cones on the intakes..but since ‘square’ cones are not really practical I think will not happen 🙂

    They will use blockers

Viewing 15 posts - 316 through 330 (of 1,640 total)