vikingBerserker
Lieutenant General
KB-29 or a KB-50?????
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Well done, and excellent choice!!
Not more challenging? Looks like a port hole on a ship! That's some heavy framing.
Hmm...perhaps related to early high-altitude aircraft construction?
So, a flying boat or nautical aircraft? What era?
Heavy framing (and rivets) sounds like something Grumman... wonder if this is part of a wingfold.
Looks like a window frame for a pressurised cabin.
XF-12 Rainbow, perhaps?
For such a bunch of know-it-alls, this should be pretty easy:
QUOTE]
Well, apparently you're safe!