J-20 5th Generation Fighter VII

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Dylan Nguyen

Dylan Nguyen

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taxiya said:
then what is the point of using 2D TVC?
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I believe he was referring to the axisymmetric nozzle.

Axisymmetric nozzles are circular nozzles. 2D thrust vectoring nozzles are the ones used on the F-22.

Edit:
I might have misinterpreted your comment, but I believe 3D thrust vectoring could have negative effects on the stealth characteristics of the aircraft. I’m not entirely sure.
 
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taxiya

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Dylan Nguyen said:
I believe he was referring to the axisymmetric nozzle.

Axisymmetric nozzles are circular nozzles. 2D thrust vectoring nozzles are the ones used on the F-22.

Edit:
I might have misinterpreted your comment, but I believe 3D thrust vectoring could have negative effects on the stealth characteristics of the aircraft. I’m not entirely sure.
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I wasn't clear in my question. Richard's post said that "F-22 type 2D nozzle is supposed to be stealthier while a quasi 2D nozzle made out of a 3D nozzle is not". Therefor I asked why use that quasi 2D nozzle, I did not mean the F-22 type 2D nozzle.
 
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voyager1

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Our favourite and most trustworthy journalist is here with some fresh news on J20 engines

By: Minnie Chan
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China’s “Mighty Dragon” J-20 stealth fighter jet is expected to get purpose-built new engines within the next two years, according to a military source.
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“The development of WS-15 is nearly complete … or may be finished within one or two years,” said the source, who requested anonymity due to the sensitivity of the topic
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The source added that the project had fallen behind schedule and had taken more than 10 years but the upgrade means “it will be on a par with the American Lockheed Martin F-22 Raptor”.
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siegecrossbow

siegecrossbow

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Formation flight in Quzhou (6 J-20 + 1 JL-10 trainer). Possibly rehearsing for a flyby for CCP centennial celebration?

JKwEXRA.jpg
 
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gongolongo

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Dylan Nguyen said:
I believe he was referring to the axisymmetric nozzle.

Axisymmetric nozzles are circular nozzles. 2D thrust vectoring nozzles are the ones used on the F-22.

Edit:
I might have misinterpreted your comment, but I believe 3D thrust vectoring could have negative effects on the stealth characteristics of the aircraft. I’m not entirely sure.
Click to expand...
2D and 3D thrust vector are beneficial for stealthy because they require control surfaces to move less when the aircraft maneuvers. This is actually very important for stealth.
 
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