J-20 5th Gen Fighter Thread VI

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siegecrossbow

siegecrossbow

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by78 said:
31930146748_9ce31ade7a_k.jpg
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Aerodynamics question:

Why does the vortex sweeping over one of the wings split off into two streams?
 
plawolf

plawolf

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Pretty much all modern high end smartphones
siegecrossbow said:
Aerodynamics question:

Why does the vortex sweeping over one of the wings split off into two streams?
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Vortexes are not so much splitting as being generated by different sources.

The inner vortex stream is generated by the canards and strengthened by the LERX. The outer stream is generated by the wing.

Also, there are two streams over both wings, it’s just much easier to see on the left wing as that is in sunlight while the other wing is partly in shadow, but you can still make the the second stream.
 
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kurutoga

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siegecrossbow said:
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Yankee confirmed that although the J-20 currently does not have a gun for reasons of weight and potential scorching damage to stealth coating, there is a spot reserved for a gun. He also confirmed that the current J-20 also uses a domestically thrust-enhanced AL-31s.
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In that post, was he hinting the gun would be an energy weapon eventually?
 
Gloire_bb

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Totoro said:
doctrine? Their theory of air combat versus opponent such as US might have led them to believe that number of occasions where more than 4 BVR aams are needed is insignificantly small. If so, that would be in opposition to US, which concluded 4 missiles aren't enough for raptor. But at the same time they're in no hurry to fit more into F-35. As for russians, no official info is out there. the case for 4 inside su-57 is as strong as the case for 6.
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No cases here, su-57 carries 4+2, as does j-20. It isn't about pure volume, it is about suspension points.
Accidentally, it mimics typical 4th gen air superiority low drag load out...
 
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Klon

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siegecrossbow said:
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Yankee confirmed that although the J-20 currently does not have a gun for reasons of weight and potential scorching damage to stealth coating, there is a spot reserved for a gun. He also confirmed that the current J-20 also uses a domestically thrust-enhanced AL-31s.
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He must have missed all those SDF arguments. So much for that.
 
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