Flogger,
Googling for “J-8 + Ye-152” doesn’t automatically make the articles reliable. Neither the authorative works on China’s aviation industry until the mid-1980s (China Today: Aviation Industry, as referred to by Rick) nor the authorative MiG book (50 years of secret aircraft design, as i referred to earlier considering the MiG-21 data) mention anything about a transfer of Ye-152A data to the PRC. Especially if you think that the whole Ye-152A design was totally preliminary and by no means an end-product: the Ye-152A (together with the Ye-150) evolved into the SINGLE engined Ye-152M/Ye-166 via the Ye-152/1, Ye-152/2 and Ye-152P (which also all were single-engined).
Besides, while the J-8 is quite obviously based on the J-7/MiG-21F, the Ye-152A is NOT an adaptation of the MiG-21, but on the Ye-150 (which in itself was nothing more but an R15 testbed). The wide forward fuselage of the Ye-152A has nothing in common with the fuselage of the MiG-21, it has got that size because:
a – It was to provide enough air to feed the massive R15 engine in the original Ye-150.
b – In the Ye-152A, the nosecone was to provide space for a big Uragan radar + dish.
If the Soviets simply wanted a two-engined long-range MiG-21 (like the Chinese originally wanted with the J-8/J-8I), the forward fuselage would never have been as fat as the Ye-152A’s. Just look at the pic of the single engined Ye-152P you posted, and compare the whole fuselage, tailplane and wings (yes! That’s wingtip pylons carrying those R-4s!) with those of the J-8. Conceptually similar? Well, if you’d take a two-engined Ye-152 they would be. Close enough to match original drawings? No way. As Crobato already said, not even the dimensions match. And acquiring drawings only in order to redesign those drawings COMPLETELY to end up with a similar looking aircraft is absolute nonsense.
Two totally different development stories (and you can add a third similar-result-but-different-development with the Su-15 if you like), yet as happened quite a lot throughout the short history of aviation: a similar requirement leads to a similar design. Or do you also think the Su-24 is based on the F-111? The F-15 is based on the MiG-25? The Mirage III based on the F-102? The MiG-21I based on the XF-92?
Well anybody is entitle to his own opinion that is the basics of democracy
Forming an opinion, oblivious to facts is the basics(sic) of stupidity.
Which aircraft were investigated? the Ye-152?
Read before you write. Rick’s quote says …and on the investigation of foreign aircraft technologies.
And could you please stop posting pics ad nauseum? If you want to illustrate something you’re trying to say, please add some explanation. Know what? Take this Ye-152A drawing, and mark out the design details you think have been literally taken over in the J-8.
Good luck.
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