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| General The principal parts of an airframe are most commonly made of aluminum alloys in the form of shells. As a result, the main problem is to make the relatively thin shells strong enough to withstand compression and shear loads and to maintain a favorable weight-to-strength relation. In general, the discussion here explains how this is achieved for airplanes and helicopters. This section describes the four principal parts of an airplane and the cabin and tailboom sections of a helicopter. The descriptions include details involving truss, monocoque, and semimonocoque constructions.
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| Curriculum design: David L. Heiserman Publisher: SweetHaven Publishing Services |
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