weathercocking


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weathercocking

[′weth·ər‚käk·iŋ]
(aerospace engineering)
The aerodynamic action causing alignment of the longitudinal axis of a rocket with the relative wind after launch. Also known as weather vaning.

weathercocking

weathercockingclick for a larger image
Yawing or ‘weathercock' stability provided by the fin.
The tendency of a body to align an axis with the relative wind.