J-20 5th Gen Fighter Thread V

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zaky

zaky

Junior Member
This is my favorite photo with the plane. It is similar to a Protoss Archon.
Power overwhelming!!!
FYmTveu.jpg
 
D

delft

Brigadier
OT
I'm still amazed by the low visibility national symbols. IIRC these were invented during the US war against Vietnam to make targeting the aircraft more difficult while they were on the ground in that country. So why are they used here?
 
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Deino

Deino

Lieutenant General
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Interesting note:

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China to speed up stealth fighter production, air force chief says
Comments by Ma Xiaotian appear aimed at dispelling concern J-20 is behind schedule

PUBLISHED : Friday, 04 November, 2016, 4:53pm
UPDATED : Friday, 04 November, 2016, 11:24pm

Viola Zhou

The PLA Air Force chief said development of the J-20 fighter jet would be sped up, in an apparent bid to quell speculation the domestic aircraft was falling behind its production schedule.

“Of course I’m satisfied,” General Ma Xiaotian said when asked about the performance of the J-20 after its brief public debut at the opening of Airshow China in Zhuhai in Guangdong on Tuesday.

“It’s a very good thing that our J-20 made an appearance here. We’re speeding up development,” Ma told Shenzhen Satellite Television.

Zhuhai air show opens with J-20 stealth fighter’s public debut likely to steal the limelight

A brief fly-past by the aircraft disappointed spectators and sparked concern among military analysts over the progress of the jet’s development. The pilots did not open the weapon bay doors as they did during a rehearsal a few days earlier.

Ma told the broadcaster the J-20 would not be exported, a sign the aircraft is the most advanced fighter under development by the nation’s military.

“We are not considering putting [the J-20] on the global market,” he said.

A military insider said Ma’s comments could be a way to pressure the manufacturer, Chengdu Aerospace Corporation, to deliver sooner. Japan already has F-35s built by Lockheed Martin, while South Korea expects to deploy its first batch of F-35s in 2018.

“There is a generation gap between the stealth fighters owned by China and its neighbours,” the insider said. “It creates strategic and psychological problems.”

He said the military was reluctant to provide details of the J-20 because some of its key components might not be finished or entirely originate from China.

The J-20 fly-past was to demonstrate Beijing’s confidence in its military capacity and boost national pride, Xinhua reported.

But other than the minute-long display, the public has not had another opportunity to see the aircraft.
“We learned very little. We learned it is very loud. But we can’t tell what type of engine it has, or very much about the mobility,” Greg Waldron, the Asia managing editor of FlightGlobal, told Reuters earlier.

China finishes hull of first domestically built aircraft carrier

Military officials have said that the J-20’s design is a military secret as it involves many of China’s top technologies.

At the previous Zhuhai air show in 2014, Beijing unveiled the Shenyang J-31, another stealth fighter under development, but with the intention of attracting foreign buyers.

State-owned Aviation Industry Corporation of China released the J-31’s specifications last year, hoping to compete with the F-35 in the global weapons market.

The J-20 and J-31 belong to China’s “fourth generation” of aircraft and should meet at least four requirements – including stealth technology, supersonic cruising speed, highly integrated avionics, and electronic fire-control systems.
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Engineer

Engineer

Major
b787 said:
probably you do not know physics.

Angle of bank and thrust are related=sustained turn rates, a supercruising F-22 has higher thrust than a J-20 with lower thrust uncapable to supercruise, you can fool fans but not physics
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:rolleyes:

For the benefits of other forum members here, let me point out the why the above statements are wrong.

First, banking does not equate to turning. Banking is not even a "rate" but a static measurement. Even roll-rate (the rate-of-change of banking) is not the same as rate-of-turn. The difference between the two is that rolling does not affect pointing direction of aircraft's nose, whereas turning does.

Second, higher thrust would certainly help but doesn't necessary mean supercruise capability. A Boeing 747 has higher thrust than F-22, yet a Boeing 747 cannot even go supersonic, let alone supercruise. Likewise, lower thrust doesn't mean lack of supercruise capability. It would certainly be possible for J-20 to supercruise with weaker engines, as long as J-20 was designed with lower supersonic-drag.

Don't assume he doesn't know the differences though. He probably does, and is consciously trying to change definitions of terminologies to suit his beliefs at the moment. This is the guy who argued J-20 was designed for speed and can't maneuver, then in the very next post argued J-20 can't fly fast because it wasn't design for speed.

This is also the same guy who once argued intersecting lines/planes are parallel! :rolleyes:
 
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T

taxiya

Brigadier
Registered Member
Engineer said:
:rolleyes:

For the benefits of other forum members here, let me point out the why the above statements are wrong.

First, banking does not equate to turning. Banking is not even a "rate" but a static measurement. Even roll-rate (the rate-of-change of banking) is not the same as rate-of-turn. The difference between the two is that rolling does not affect pointing direction of aircraft's nose, whereas turning does.

Second, higher thrust would certainly help but doesn't necessary mean supercruise capability. A Boeing 747 has higher thrust than F-22, yet a Boeing 747 cannot even go supersonic, let alone supercruise. Likewise, lower thrust doesn't mean lack of supercruise capability. It would certainly be possible for J-20 to supercruise with weaker engines, as long as J-20 was designed with lower supersonic-drag.

Don't assume he doesn't know the differences though. He probably does, and is consciously trying to change definitions of terminologies to suit his beliefs at the moment. This is the guy who argued J-20 was designed for speed and can't maneuver, then in the very next post argued J-20 can't fly fast because it wasn't design for speed.

This is also the same guy who once argued intersecting lines/planes are parallel! :rolleyes:
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One of the "constant goal post movers" in SDF, for sure.
 
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