Monocoque
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Monocoque, also called structural skin, is a structural system in which loads are supported by an object's external skin, in a manner similar to an egg shell. The word monocoque is a French term for "
Deperdussin Monocoque, with wooden shell construction
LFG Roland C.II with wooden Wickelrumpf monocoque fuselage
Zeppelin D.I, the first production all-metal monocoque aircraft
1981 McLaren MP4/1, with a carbon fiber composite monocoque
Vehicle frame
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A vehicle frame, also historically known as its chassis, is the main supporting structure of a motor vehicle to which all other components are attached, comparable to the skeleton of an organism.
Monocoque
…and a compressive structure made up of longerons and ribs or frames. Other semi-monocoques, not to be confused with true monocoques, include vehicle unibodies, and inflatable shells or balloon tanks, both of which are pressure stabilised. Early aircraft were constructed using frames, typically of wood or steel…
Ladder frame pickup truck chassis holds the vehicle's engine, drivetrain, suspension, and wheels
The unibody - for the unitized body - is also a form of a frame
A ladder frame, named for its shape
Pickup truck frame, with heavy c-shaped longitudinal rails (slightly arced over the rear axle), a similarly sized c-shaped crossmember just forward of the axle, and a tophat-shaped smaller gauge crossmember towards the rear