Aerospace Industry, Airships
All airships have four principal elements in common: a cigar-shaped bag, or balloon, filled with a lighter-than-air gas (usually hydrogen or helium); a passenger car, or gondola, attached beneath the bag; engines and propellers; and rudders to steer the craft. Three basic types of airships have been built. The nonrigid airship, or blimp, is basically a balloon from which the
posted by SuddenCat @ 5:39 AM
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