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17th Jan 2003, 19:24

#4 (permalink)

Intruder

Join Date: May 2000

Location: Seattle

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Start with a ballpark cabin pressure differential of 9 PSI. A 747's cabin is about 200' long, and the fuselage diameter about 20'. Find the surface area of that cylinder and multiply by the differential. It comes out to about 16 million pounds...