J-20 5th Gen Fighter Thread VIII

by78

General
Rehearsing for the Air Force Day event next week.

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Jason_

Junior Member
Registered Member
Can people here double-check this? -20 dBsm mean frontal hemisphere RCS against 5.6 Ghz radar is good but is likely not F-35 B3 level.
The first post is the old paper that compared canard configuration vs traditional configuration on a non-specific aircraft model, with the conclusion that canard is not worse than traditional (contrary to a great deal of western-sourced misinformation). It has nothing to do with the J-20 other than as a proof of concept that canards are compatible with stealth.

The RCS simulation from Aircraft 101 is interesting but should be taken with a grain of salt. My main issue is that the model from the J-20 is far more detailed than the model for the F-35, which have implications in a simulation where edge refraction is accounted for. Aircraft 101 is apparently planning to redo the simulation with a more detailed F-35 model.
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HighGround

Senior Member
Registered Member
The first post is the old paper that compared canard configuration vs traditional configuration on a non-specific aircraft model, with the conclusion that canard is not worse than traditional (contrary to a great deal of western-sourced misinformation). It has nothing to do with the J-20 other than as a proof of concept that canards are compatible with stealth.

The RCS simulation from Aircraft 101 is interesting but should be taken with a grain of salt. My main issue is that the model from the J-20 is far more detailed than the model for the F-35, which have implications in a simulation where edge refraction is accounted for. Aircraft 101 is apparently planning to redo the simulation with a more detailed F-35 model.
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View attachment 116293
This is @Stealthflanker 's simulation I think?
 

BoraTas

Captain
Registered Member
The first post is the old paper that compared canard configuration vs traditional configuration on a non-specific aircraft model, with the conclusion that canard is not worse than traditional (contrary to a great deal of western-sourced misinformation). It has nothing to do with the J-20 other than as a proof of concept that canards are compatible with stealth.

The RCS simulation from Aircraft 101 is interesting but should be taken with a grain of salt. My main issue is that the model from the J-20 is far more detailed than the model for the F-35, which have implications in a simulation where edge refraction is accounted for. Aircraft 101 is apparently planning to redo the simulation with a more detailed F-35 model.
View attachment 116292
View attachment 116293
I was specifically asking for the document. Thanks for the answer. The simulation is from @Stealthflanker
 

InfamousMeow

Junior Member
Registered Member
Tail number 61123, construction number CB0260.

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If we read this as the total number of aircraft, does this actually mean that 260-156=104 J-20s were produced within a time period of over half a year but far lower than a year? Are we reading this wrong? This number is just too incredible.

Maybe the first 2 digits are indeed batch number. Then we have 60 instead of 104 J-20s produced within the time period.
 

by78

General
Can people here double-check this? -20 dBsm mean frontal hemisphere RCS against 5.6 Ghz radar is good but is likely not F-35 B3 level.

It's best to avoid that Twitter user, who is a known fanboy who spreads misinformation. As for the table of RCS values, as @Jason_ pointed out, it's a comparison between canard and canard-less configurations and not specific to any aircraft, much less the J-20.
 
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