J-20 5th Gen Fighter Thread IV (Closed to posting)

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latenlazy

Brigadier
Bltizo said:
I think I just realized where one (technically two) of the J-20s EODAS apertures are, namely, the under fuselage ones.

I've always wondered what that strange protrusion behind the weapon bay was, but just now looking at the j-20 photo I posted, I realized it bore a ridiculous resemblance to the F-35s under fuselage EODAS emplacement, which basically has one aperture looking forwards and one back.

Note the two red arrows pointing underneath the fuselage in the top picture, which are the F-35s Under fuselage DAS ports
ySuyjTL.jpg


A different picture to make sense of where they are. Clearly they are centreline, and sits in between the two weapon bays.
NvNsohH.jpg


On J-20 OTOH, the port is offset to one side. On the first two prototypes they sat behind the weapons bay on the plane's left side, but on 2011 it appears to sit on the right.
NtqT0wu.jpg



I'm not sure if I'm pointing out the obvious for other people here, but I missed this rather obvious object staring me right in the eye for the last few years this entire time I've been looking for a more concrete DAS aperture on j-20. I think the highly distinctive geometry of the structure on J-20 lends itself highly likely to be a combined forward/rear DAS emplacement akin to the F-35s.
Click to expand...

I always thought that was an APU exhaust or something.
 
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Insignius

Junior Member
The EO-DAS positions are rather obvious. The one under the fuselage is just throwing people off because it is off-center, unlike with the F-35.

Hell, even using the F-35 EODAS chart, it just hits the nail.;)

J-20 EODAS positions.jpg
 
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chuck731

Banned Idiot
I am more interested in seeing how the surface access panels and dielectric panels are different between 2001 and 2011, as well as whether the new aircraft have more radar radomes. This will tell more about how close 2011 might be to the production aircraft.

I am also interested in seeing if the lighter colored leading and trailing edges of 2011 wings and tail surfaces have the same reflectance as the nose radome. I suspect the color change near the edge of the wing and control surfaces on the 2011 are not just stealth edge treatment. I suspect at least some of the light colored edges are made from dielectric material and are intended to house conformal radar, ECM, and communication aerials.
 
Deino

Deino

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:p:p:p:p not really new : a J-20 in grey at Xi'an-Yanliang in January '14.
 

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Blitzo

Blitzo

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Insignius said:
The EO-DAS positions are rather obvious. The one under the fuselage is just throwing people off because it is off-center, unlike with the F-35.

Hell, even using the F-35 EODAS chart, it just hits the nail.;)

View attachment 9313
Click to expand...

I've noticed the other possible placements as well, but I'm not quite as confident as to their purpose as I am with the under fuselage one.


latenlazy said:
I always thought that was an APU exhaust or something.
Click to expand...

Same, but it has a near identical geometry to F-35s under fuselage DAS port. It is a rather unique shape.
 
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