J-20 5th Gen Fighter Thread V

[AssassinsMace]

(Continued)

 

[delft]

The remark about the serrations around the F-35 jet pipe reminded me that the Boeing 787 too has such serrations. These are to reduce noise and as there is fear in the Netherlands that the noise from F-35 will prove to be more obnoctious than that of F-16 are we sure that F-35 is not trying to reduce noise and not radar returns?

 

[Yodello]

My goodness...! What a beauty..! The Chinese have every right tone proud of this beautiful bird.

 

[Iron Man]

The remark about the serrations around the F-35 jet pipe reminded me that the Boeing 787 too has such serrations. These are to reduce noise and as there is fear in the Netherlands that the noise from F-35 will prove to be more obnoctious than that of F-16 are we sure that F-35 is not trying to reduce noise and not radar returns?

Serrations are definitely for the purpose of RCS reduction. There are serrations all over 5th generation fighters, not just the engine exhaust nozzles, but on weapons bay doors, landing gear doors, even flush airframe panels. They are typically sized to defeat X-band radars.

 

[FORBIN]

(Continued)

View attachment 34772 View attachment 34773 View attachment 34774

He wear now this pretty outfitt maybe for tease pretty around

 

[FORBIN]

The remark about the serrations around the F-35 jet pipe reminded me that the Boeing 787 too has such serrations. These are to reduce noise and as there is fear in the Netherlands that the noise from F-35 will prove to be more obnoctious than that of F-16 are we sure that F-35 is not trying to reduce noise and not radar returns?

Serrations ?

 

[FORBIN]

I would generally agree with the notion that F-22 and F-35 both have slightly more RCS reduction measures than J-20 for the engine nozzles, which is of course a significant RCS contributor in the rear aspect.

J-20 as T-50 have nozzles which are less well masked less back between the drifts, F-35 better and F-22 excellent with in more the design for the 2D sector thrust system, the best canceled YF-23.

For stealth useful but mainly for IR signaure in fact and in any case the frontal RCS is always the more low in general - 10 dB logic...

 

[Blackstone]

Some reflections on the J-20 making as much impact on the world stage as the F-22. Time will tell if that is so.

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Dec 18, 2016
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Photo by flyvere.dk

China’s J-20 stealth fighter could break the monopoly of Western countries on fourth-generation fighters, perhaps even exerting a bigger influence than the American F-22 Raptor, according to Chinese military expert Li Li in a CCTV interview.

A Reuters report argued that the J-20 would not be as influential as the F-22 Raptor, butLi disagrees. She said that although the F-22 Raptor is the first fourth-generation fightercommissioned in an air force, its performance is not satisfactory. Because the J-20 and Russia’s T-50 are set to break the Western monopoly, Li argued, the J-20 could have amore significant influence than its Western counterparts.

According to information from an electronics plant in Suzhou, the main screen of J-20 fighters can be controlled and adjusted through voice command. Wang Mingzhi, a Chinesemilitary expert, explained that some advanced fighters have enabled speech recognition, which helps pilots to concentrate on the battlefield. In addition, touch control is availableon some certain fighters, simplifying human-computer interaction.

 

[taxiya]

The remark about the serrations around the F-35 jet pipe reminded me that the Boeing 787 too has such serrations. These are to reduce noise and as there is fear in the Netherlands that the noise from F-35 will prove to be more obnoctious than that of F-16 are we sure that F-35 is not trying to reduce noise and not radar returns?

An environmental-friendly killing machine.

 

[Inst]

It's a matter of the canards; both the US side and the Chinese side have misunderstandings of canards. The US has never flown canards on an inducted military fighter, so it tends to downplay the significance of canards, even though the X-36 was seen as quite successful. Moreover, the US ignores the canards on the J-20; the size of the canards, as well as the weight, drag, and stealth penalties of the canards, implies that the J-20 must be capable of being highly maneuverable, if still limited by its engines.

On the Chinese side, they downplay the effects of canard stealth on all-aspect stealth. We've all seen Carlos Kopp's RCS study of the J-20, as well as the PAK-FA. The J-20, unlike the PAK-FA, has RCS spikes off its center that must be attributable to its canards, something the PAK-FA does not have.

As an addendum, you guys misunderstand what all-aspect stealth means. The F-22, which is considered to be all-aspect, has RCS spikes as well; perfect stealth is impossible on an aerodynamic platform. But the RCS spikes on the F-22 are located in such a way that it's nearly impossible to target it; you'd have to be 180-degrees below it to benefit from the RCS spiking or directly parallel to the side.