J-20 5th Gen Fighter Thread VIII

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pipaster

Junior Member
Registered Member
siegecrossbow said:
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I know that we are not technically supposed to pursue this discussion but I’ll add one last thing before shutting up, in light of the issue brought up in Yankee/ShiLao’s latest podcast since they are seasoned PLA watchers and offer some insights on Chinese view of the matter which I find valuable. In short, they summarized Wilsbach's comments as "epileptic", especially for a military top brass with extensive practical experience operating fourth/fifth gen aircraft first hand. They agree with @Deino's tweet that the statements were political and unprofessional, and that they are more inline with the ignorant stuff civilian congress people say to get votes (especially that all of J-20's tech is ripped off from US tech).

One interesting tangent conversation addresses the comment that "Chinese military top brass probably think F-35 is nothing to worry about either". Yankee expressly stated that it is not true, and that generals often harangue AVIC with PPT claims of F-35's capabilities. Essentially, they take all of Lockheed's claims as true and are not only planning the conflict based on said capabilities, but pushing AVIC to improve the J-20 according to the PPT claims! Yankee stated that some of the intelligence people in China have expressed dismay about "where can we find an actual F-35 capable of doing all those things simultaneously".
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Prepare for the worst.
 
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symplectic

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coolgod said:
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Rumors saying it's J-20 sonic boom? Is it WS-15 engine?
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I won't be suprised if a J-20 with WS-15 can fly supersonically today. But I do not think a sonic boom can tell this. The boom happens because an aircraft breaks the sound barrier, not because it turns on the afterburner.

BTW: 2000km is ridiculous, it's about the geodesic distance from Chengdu to Ulaanbaatar
 
coolgod

coolgod

Major
Registered Member
symplectic said:
I won't be suprised if a J-20 with WS-15 can fly supersonically today. But I do not think a sonic boom can tell this. The boom happens because an aircraft breaks the sound barrier, not because it turns on the afterburner.

BTW: 2000km is ridiculous, it's about the geodesic distance from Chengdu to Ulaanbaatar
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Definitely multiple booms since people from Mianyang to Xi'an heard it, maybe that's why ppl suspect its ws-15 testing?

That guy's video might be not from this time, this sound recording is probably correct.
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lcloo

lcloo

Captain
Not quite the same as the sonic boom that I experienced when an Australian F/A-18 decided to go supersonic from Penang/Butterworth to Singapore many years ago. The F/A-18 sonic boom was like a large explosion that lasted in less than a second, with the window glass of my Kuala Lumpur house shaking badly.

Sonic Boom can be heard in many towns along the aircraft's flight path as long as the aircraft is at supersonic speed all the way, and the sound shock waves continue to be created.
 
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