strake
engineering
Quick Summary
An annular strip (the region between two concentric circles) can be cut and bent into a helical strake that follows approximately the contour of a cylinder. Techniques of differential geometry are employed to find the dimensions of the annular strip that will best match the required curvature of the strake.
A strake is a continuous band of planking or plates on the hull of a ship, or the width of such a band. The term can also refer to a streak or stripe. A "passing strake" is a specific type of strake found between butts in the same vertical plane on a ship. In aviation, devices like speed brakes and spoilers are used to increase drag for deceleration, particularly during landing.123
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