Now open! The J-20′s weapons bay doors


This week’s batch of Chengdu J-20 photos apparently show theaircraft with its weapons bay doors open. 

Something has been bothering me about the J-20, and finallyI realize what it is. The aircraft’s landing gear and weapons bay doors allhave long, straight edges.  I don’t claimto be an expert on stealth technology, but aircraft covers with angled edgesseem de rigueur on more recent western types, most notably the Lockheed Martin F-22 Raptor. Note the shape of the panels and weaponbay doors in the picture of an F-22 model below. Square, sharp panel and dooredges are kept to a minimum.

At Aero India, a Boeing test pilot told me that the F/A-18E/F Super Hornet has angled edges for its panels because this helps to improveits low observable characteristics.  I’vealso been told numerous times that canards are a serious foopah on a stealthy aircraft. 

F-22 image for door story.jpg

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