Quote:
Originally Posted by Cd
...I always found it interesting that the SR-71 was designed with fuel tanks that would leak untill the aircraft reached a certain speed and sealed the tanks through gap compression...
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I once read that the middle toilets on Concorde had a sliding door as the fuselage would lengthen by 2-3 inches at Mach 2+ due to heat friction so a solid one, which opened lengthways instead of sideways, wouldn't close properly.
Fancy paying all that money for a ticket and then having to sing / whistle whilst on the throne, with your foot against the door.