mrbeanIV t1_j5w6bg6 wrote
Reply to comment by frntwe in TIL American WW2 airplanes were sent to war unpainted starting in 1943. The polished surface made the planes faster and lighter, giving more range to all planes and more cargo hold for the bombers by PatmygroinB
It wouldn't be THAT heavy but it would still be a measurable performance difference.
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