Principal Airframe Parts (Helicopter).
problem is to make the relatively thin shells strong enough to
withstand compression and shear loads and to maintain a favorable
In general, the discussion here
explains how this is achieved for airplanes and helicopters.
the cabin and tailboom sections of a helicopter.
PRINCIPAL AIRFRAME PARTS (AIRPLANES)
wings and empennage. The descriptions in the following
paragraphs cover the truss, monocoque, semimonocoque, and