J-20 5th Generation Fighter VII

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Blitzo

Blitzo

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siegecrossbow said:
No matter the actual outcome it is beginning to feel a lot like December 2010. Can't believe that a decade has elapsed. We are all getting so old.
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It definitely seems like some kind of significant movement has happened.

Time will tell what it is, though I personally am not necessarily optimistic that we will have picture evidence of whatever happened anytime soon, simply because I feel like our luck in getting prompt images of new engines over the last decade has been poor.
 
siegecrossbow

siegecrossbow

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Bltizo said:
It definitely seems like some kind of significant movement has happened.

Time will tell what it is, though I personally am not necessarily optimistic that we will have picture evidence of whatever happened anytime soon, simply because I feel like our luck in getting prompt images of new engines over the last decade has been poor.
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There are two dates when we can hope for public disclosures in my opinion:

1) July 1st CPC Centennial.
2) End of September/early October Zhuhai Airshow.

If nothing happens on either date then we’d have to wait for wall climbers, the few who still remain.

PS Even though rumors of Xi traveling to CAC facility are likely just that, I read two separate confirmations from Chengdu natives that the area around the facility was placed on lock down and that important officials did arrive for a visit.
 
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ougoah said:
But it should be noted in this wingspan discussion that the J-8 is heavily based on the Mig-21 and more or less a twin engine Mig-21 with some Mig-23. The only other shorter wingspan fighter is the J-20 and that is partly to try and minimise surface area.

Raises the question (which the right experts surely know well) of why the F-22 and Su-57 both went with huge wings. Does it not have an affect on observability? How could it not in the right angles? Was it all just a compromise between excellent kinematic performance and stealth which the Raptor excels well enough at to not worry about the short moments its giant wings would be spiking RCS? The F-35A and B both have smaller wings. B due to VTOL and C has massive ones because of conventional takeoff from carriers might require that extra lift.

It's probably quite obvious to those experts that the J-20's design is optimised for supersonic flight and agility over maneuverability. The long arm canards, longer length, shorter wingspan, sweep angle, and how far stretched back those vertical stabilisers are for high AOA. Supersonic performance certainly places more emphasis for BVR - improving missile launch and positioning of aircraft. Once it gets close and bleeds energy from turns, it exits its optimal range. Which sort of explains why it doesn't even bother with a gun. It isn't to be used WVR. With low enough RCS and against less than top end adversary aircraft, it can still make use of stealth for longer WVR missiles.
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Chinese aircraft in general seem designed for BVR. Not only do Chinese aircraft tend to have designs for drag reduction, they also tend to have larger radars than comparable aircraft; see the J-10B/C with a radar close to the F-35's and Eurofighter's size and larger than the equivalent F-16, while being larger than that of the Rafale, the Sinoflankers retain the Su-27's aperture advantage over the F-15, but have modern electronics, and the J-20 is either better or in the same league as the Su-57 in terms of aperture size, and both dwarf the F-22 and F-35's radome.
 
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