Consequences of Flanker and PAK FA exports for the PACRIM from US-allied perspective?

MiG-29

Banned Idiot
Re: Consequences of Flanker and PAK FA exports for the PACRIM from US-allied perspect

I am not talking about paints, I am talking about the outside shape of the aircraft, which cannot be changed by painting.
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I am sure you can see the difference, they can modify pakfa's underside to more smooth surface, but that will require some MAJOR modification. It have to almost change the structure of the plane.

The problem with that forum myth, is that it does not consider two points, first there is not invisible aircraft and stealthiness means reduced signature from some angles.


F-22 has angles where it is very visible in example top or bottom view, but the fighter is designed to approach radar from some angular sectors, so the surfaces are aligned with the most likely angle where it will bounce away the radar signal from the emiter.

The nacelles you see on Pakfa are visible from some angles but from other not but by adding rounded surfaces they become more aerodynamic, the Russians only have given to some sectors importance and the current finish is just more visible because T-50 is painted light, if i give you a image of S-37/Su-47 you can see the black paint hides details.

[video=youtube;Or7aFggx82U]http://www.youtube.com/watch?v=Or7aFggx82U[/video]
 
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NikeX

Banned Idiot
Re: Consequences of Flanker and PAK FA exports for the PACRIM from US-allied perspect

China has demonstrated many break thru which soviet has not done it. ASAT in 2007 and mid course interception of ABM outside atmosphere cOnducted in 2010.

The Russians have demonstrated an advanced ASAT weapon systems back in the 1980s. An example is the Nayad anti satellite system. You need to update your sources.

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stardave

Junior Member
Re: Consequences of Flanker and PAK FA exports for the PACRIM from US-allied perspect

Again.... all comparable aircraft also carry RCS reduction paints, F-22, F-35, J-20, then Pakfa will not have the advantage. What paint cannot cover is the protruding air ducks and the gaps between the engines. Yes I understand what you are trying to say that, it will only exposed to radar when the belly is facing the enemy such as turning, but planes such as F-22 will not have the same problem when doing the same maneuver. Just because it will not be exposed to enemy most of the time, does not mean it will never get exposed to enemy radar. And this is a design flaw, not something paint can cover over it.

Now you can argue that Pakfa is still in prototype stage, and that the final production version will have flat bottom, but that will require major redesign work. And no, paint can only do so much, because again... Everyone will be using paint.
 

NikeX

Banned Idiot
Re: Consequences of Flanker and PAK FA exports for the PACRIM from US-allied perspect

Also the Russians have tested an airborne ASAT system based on the Mig-31 to intercept low orbiting satellites. Other than the United States an ASAT system like that does not exist

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Vini_Vidi_Vici

Junior Member
Re: Consequences of Flanker and PAK FA exports for the PACRIM from US-allied perspect

I think you have a lot of mis info. CZ rocket is never imported. If it is, china cant be declared the 3 rd countries able to independently send human to space.

Ad for J-10, I doubt the much contribution of Russian. Probably in the integration of AL-31FN engine area, since J-10 is a national project. The lesser dependent and leak of secret to foreigner.

China has demonstrated many break thru which soviet has not done it. ASAT in 2007 and mid course interception of ABM outside atmosphere cOnducted in 2010.


As for PAFKA, I believe the Russian at least need to show Chinese the airframe and concept to convinced them to invest. Just like how they get the Chinese to invest in the SU-30MKK project. Chinese being more advance that time, knew PAFKA stealth does not fits Chinese more and more demanding requirement.

LOL. You misunderstood a lot of things I have said. I never said ChangZheng series rocket was imported from Russia, but the the emergency escape rocket pod attached on top of the rocket is imported.

emergency rescue rocket pods on the CZ rockets are still imported from Russia

As for J-10. It's not up to our perception whether if Russians assisted in its development, it's a fact that the Russians assisted. SibNIA assisted in finalizing the air-frame and especially in the area of integrating all the subsystems into a complete system. These were quoted from the SibNIA officials from interviews.

SibNIA officials would not discuss the details of their work for the Chinese, but they would talk about what they see as the state of Chinese aircraft design and what they see as the path that the PRC’s Chengdu aircraft enterprise took to develop the J-10 lightweight fighter.
AIN-online

Don't get me wrong. I'm not a typical stereotype-minded Western journalist that thinks everything in China is stolen Western technology. China does indeed do most of the R&D work on their own. In fact J-20 is a great example of pure indigenous effort.

However, Chinese aeronautical industry is still pretty young, mostly copying & reverse-engineering Soviet weaponry in the first 30 years. It wasn't until the JH-7 did the Chinese industry began to tackle R&D head-on, its first time without receiving foreign aids or cloning external designs. On top of that, due to the hiatus of Sino-Soviet split, Cultural Revolution, Great Leap Forward, and Western technological embargoes, Chinese advancement in the aeronautical field pretty much stagnated for few decades. Even in the 80s and early 90s, although China began to prosper from the economical growth, the military industry was still sidelined and not much funding were given to the aeronautical institutes. Apart from JH-7 and J-10, there wasn't anything came to fruition during that 30 years.

It's true that the collapse of USSR completely castrated the Russian aeronautical industry and it probably will never be as majestic as it once was. But their expertise still cannot be matched by the Chinese for at least another 10 years. The Soviet already built cutting edge TU160 in the 80s, while even today, China still has nothing more advanced than the Korean War era TU16 Badger. The most straight forward comparison could be seen in the fighter jet radars. Russia has about 300+ jets that could fire long range AA missiles (100km+), while China has a few. Even those that could are all imported Sukhoi fighters, such as the Su-30MKK. Russia had already mass produced and equipped hundreds of fighters with AESA radars, but China just started testing them recently. On top of that, Russia had produced F119/120 (powers F22&YF23) equivalent AL41F as early as 1985 and it already flew in 1990.

Another major area that China really could learn from the Russians is the fabrication of single crystal blades. J-10 was designed to house AL31 and WS10 interchangeably, but since another 100 AL31 was ordered from Russia, there must still be some remaining problems to tackle in the production of WS10.

All in all, Russia is still a powerhouse and China is catching up quickly. At least judging from the air-frames of J-10 and PAK-FA, we can see that J-20 is much more stealthy. This could be seen as a huge improvement of the Chinese and showing they are catching up quickly. However, it still has a lot to learn. To this date, J-10 are still using mechanical scanning radar with very limited range and imported AL31 still power majority of the J-11 series and J-10s.

The bottom-line, what I'm trying to say is that, China is catching up quickly and will surpass the Russians in the coming decade, but as of right now, they still have a lot to learn.

Another thing you have mentioned, which the PAK-FA was presented to China but was refused due to its incompetence compared to the J-20. That is not true. PAK-FA was never presented to Chinese officials and neither were they invited to the project. The Russians grew more weary of China's quickly advancing ability and fear of future competition. That's why a lot of the newer weapons are now been barred from being sold to China, that include the S-400, TU22M, Tu160, and latest nuclear subs.

If China was already ahead of Russia, then they wouldn't have need Russian assistance in their new projects, such as Yakolev assistance in L15 trainer and Antonov assistance in the super-critical wing design of Arj-21.

Confidence is good, too much then it becomes arrogant.

---------- Post added at 05:21 PM ---------- Previous post was at 05:16 PM ----------

Actually Russians did, and actually Russia did so before they went to India.

Two Chinese general, major general Xu Yongling and Dai Hang, have confirmed independantly, during later 1990s to early 2000, Russia offered the joint development of the 5th generation fighter laterly evloved into PAK-FA to the Chinese side.

And after reviewed the technique proposal, the Chinese side simply rejected Russia offer, citing the fact Chinese side dont think the then russian proposal is a truly 5th generation that can handle F-22, which is the primary design requirement for a PLAAF's 5th generation fighter, thats why they rejected the russian offers.

Can you please send me the link to that claim? I'm really curious to see it. Never read this in the past. Thanks

---------- Post added at 05:26 PM ---------- Previous post was at 05:21 PM ----------

I would contest that the true development capabilities of the PLA should be based upon the J-20, rather than the J-10. The J-10 has its israeli roots much like those of the Flanker, except not as transparent. The J-20 however, is a truely distinctive bird, albeit still in testing, but a revolutionary development in China's ability to build airframes.

By this standard, its pretty obvious to say F-22/F-35 are based on mig-25, and F-15/18 are rip-off of Mig-25, so its safe to say Belenko is the father of american aviation industry.

He's telling the truth, at least the flanker part. J-10 might or might not being a successor of the Lavi, but it is indisputable that it did receive foreign assistance, probably Russian at the least.

These minor details are not important, what's important is that you have to learn how to crawl before you can learn how to walk. China went through the crawling stage, either with assistance from others or done it on its own. What's important is that J-20 is now out and will enter service in the coming decade. This is monumental as it is an indigenous project and the experiences gained will propel the team to build more designs on their own.

---------- Post added at 05:29 PM ---------- Previous post was at 05:26 PM ----------

I am not talking about paints, I am talking about the outside shape of the aircraft, which cannot be changed by painting.
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I am sure you can see the difference, they can modify pakfa's underside to more smooth surface, but that will require some MAJOR modification. It have to almost change the structure of the plane.

This doesn't say much, F22 and YF22 look very different. This is still early on in the project, a lot could change.
 

Lion

Senior Member
Re: Consequences of Flanker and PAK FA exports for the PACRIM from US-allied perspect

Russia produce hundred of fighter jet with AESA radar? Where did you heard that myth? Lol.
 

stardave

Junior Member
Re: Consequences of Flanker and PAK FA exports for the PACRIM from US-allied perspect

It's true that the collapse of USSR completely castrated the Russian aeronautical industry and it probably will never be as majestic as it once was. But their expertise still cannot be matched by the Chinese for at least another 10 years. The Soviet already built cutting edge TU160 in the 80s, while even today, China still has nothing more advanced than the Korean War era TU16 Badger. The most straight forward comparison could be seen in the fighter jet radars. Russia has about 300+ jets that could fire long range AA missiles (100km+), while China has a few. Even those that could are all imported Sukhoi fighters, such as the Su-30MKK. Russia had already mass produced and equipped hundreds of fighters with AESA radars, but China just started testing them recently. On top of that, Russia had produced F119/120 (powers F22&YF23) equivalent AL41F as early as 1985 and it already flew in 1990.

I assume you are not talking about R-77, because that is in the SD-10 range, and China have more than 300+ jet can use that. So I assume you are talking about R-33, but that is only use on Mig-31 last time I check, and China's flanker does not use that.

As for AL-41, that is far from finishing up development, last time I read, it was only in prototype stage on Mig 4.22, and then it was abandoned until just few years ago. That means you can't even compare that to current mature AL-31 at all.

Oh and what are you sources that Russia had already mass produced and equipped hundreds of fighters with AESA radars?
 

Lion

Senior Member
Re: Consequences of Flanker and PAK FA exports for the PACRIM from US-allied perspect

The Russians have demonstrated an advanced ASAT weapon systems back in the 1980s. An example is the Nayad anti satellite system. You need to update your sources.

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That ASAT approach is different from china who directly fire a rocket from ground to knock out the satelite.

Finally, how abt ABM, mid course outside atmosphere interception? Don't tell me soviet also did it???? Gotcha. Haha..
 

NikeX

Banned Idiot
Re: Consequences of Flanker and PAK FA exports for the PACRIM from US-allied perspect

That ASAT approach is different from china who directly fire a rocket from ground to knock out the satelite.

Finally, how abt ABM, mid course outside atmosphere interception? Don't tell me soviet also did it???? Gotcha. Haha..

You need to follow this link.

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MiG-29

Banned Idiot
Re: Consequences of Flanker and PAK FA exports for the PACRIM from US-allied perspect

Again.... all comparable aircraft also carry RCS reduction paints, F-22, F-35, J-20, then Pakfa will not have the advantage. What paint cannot cover is the protruding air ducks and the gaps between the engines. Yes I understand what you are trying to say that, it will only exposed to radar when the belly is facing the enemy such as turning, but planes such as F-22 will not have the same problem when doing the same maneuver. Just because it will not be exposed to enemy most of the time, does not mean it will never get exposed to enemy radar. And this is a design flaw, not something paint can cover over it.

Now you can argue that Pakfa is still in prototype stage, and that the final production version will have flat bottom, but that will require major redesign work. And no, paint can only do so much, because again... Everyone will be using paint.

I do not think you really understand what Russia did that and why they did it.

Compare the twin vertical fins on F-22 and T-50, the reason why the T-50 has them much much smaller one is the way the engines are arranged

If F-22 turns and its wings are facing the radar on a bottom view it is very visible, why? simple the flat wings and underbelly send straight to the radar a huge signature, the F-22 is only stealthy from some angles, therefore they need mission planning.

F-35 and T-50 have rounded surfaces to streamline and reduce drag and the tailbooms give a surface alignment to reduce RCS signature.

In fact F-22 is not flat, at the end of the aircraft, the aft part, is not flat at all.

T-50 has the engines widely separated, so its 3D nozzles require less nozzles deflection due lo longer lever arm, the longitudinal axis is at a farther distance from each engine axis.

This means smaller fins thus smaller RCS.

The T-50 has also a small canopy and radome RCS and a central lifting body fuselage and weapons bays.


So according to Russian designers T-50 is designed to surpass the F-22 in performance and they claim they have done it.

During the Su-27 design the Russians discovered the flat central surface of the integral layout increased lateral stability, so the small fins also reflect that fact.


T-50 is quiet flat, and this is not just for aerodynamics but to reduce RCS laterally and frontally
 
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