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(
rob, Wed 29 Nov 2006, 16:33)
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The important thing is the sectional density.An airship with a lead skin would need to be around 5 times the diameter of one with a plastic skin, if the skin is half the weight of the airship.
(, Wed 15 Jun 2011, 14:05, 1 reply, 15 years ago)
Best. Reply. Ever.(
Je suis un vagabond is an unfunny, up your own arse middle class knob, Wed 15 Jun 2011, 14:25,
Reply)
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