China's Stealth Striker


Hot from the fence-line is what looks like the best image yet of China's Chengdu stealth fighter, identified so far as J-20.

blog post photo

Remarkable indeed - and at the rate we're going there will be a three-dimensional animated cutaway of this beast by 2.30 Tuesday afternoon, so we can safely stick to what we can see here without having to speculate too far. (Note: this photo appeared on the China Defense Forum. All I've done to it is rotate it and adjust contrast and brightness.)

The impression here is of a big, long aircraft, 70+ feet from nose to tail, which would make sense for a number of reasons. Rob Hewson at Jane's has reported that Russia has supplied 32,000-pound thrust 117S engines for the J-20, which would be adequate for an aircraft in the 80,000 pound class - with perhaps lower supercruise performance and agility than an F-22, but with larger weapon bays and more fuel.

But ask yourself: why would China need or want a short-range stealth aircraft? Any targets with defenses that call for that capability are a long way from the mainland. Also, the bigger that the aircraft is, the more likely it is that it is a bomber as much as, if not more than, a fighter.

The canard is clearly visible and at this point I'm seeing a "lambda" wing planform, seen on some earlier artist's concept out of China, with a single straight leading edge and a kinked trailing edge. It first appeared on McDonnell Douglas JAST studies in the early 1990s:

blog post photo

The wing shape was also flight tested on the X-36 unmanned demonstrator - and the overall "sit" of the Chinese aircraft makes an interesting comparison to this shot:


blog post photo

So much for this morning - but as the "what" starts to take shape, it gives us context to start thinking about "when" and "why"
.

Update: The 117S comes with 3D vectoring and the engines appear widely enough spaced for that to work. This might mean that the V-tails could be locked out in normal cruising flight. Also, a couple more photos:


blog post photo


blog post photo


Comments

Popular posts from this blog

China’s first big helicopter takes off

Artificial blood made from stem cells could be used in transfusions in just two years

LTE gets faster. Much faster.