Blueshirt38 t1_j5zmy8c wrote
Reply to comment by patco81 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
The Allowable Cabin Load on a 747-400F is 249,100 lb, and the max gross takeoff weight of 836,000 lb, whereas the plane weighs about 350,000 lb empty. 2,000lb is essentially a negligible load when it is spread almost completely evenly across the entire aircraft.
It would be like being worried about the weight of having leather seats as opposed to fabric seats in your car.
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