Aircraft General Knowledgeeasy#302

What is the function of frames in a semi-monocoque structure?

A

Carry longitudinal loads

B

Maintain the cross-sectional shape of the fuselage

Correct
C

Provide the main tensile strength

D

Act as shear webs in the wing

Explanation

Frames (or formers) maintain the fuselage cross-sectional shape and distribute loads to the skin.

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