fleet angle

fleet angle

[′flēt ‚aŋ·gəl]
(mechanical engineering)
In hoisting gear, the included angle between the rope, in its position of greatest travel across the drum, and a line drawn perpendicular to the drum shaft, passing through the center of the head sheave or lead sheave groove.

fleet angle

In hoisting gear, the maximum angle between the rope (as it comes off the drum on which it is wound) and a perpendicular to the axis of the drum.
References in periodicals archive ?
Bad coiling (due to excessive fleet angle or slack winding) can result in mechanical damage such as severe crushing, and may cause shock loading during operation.
Excessive fleet angle can result in severe rope wear due to scrubbing against adjacent laps on the drum.
A reduced displacement cable fleet angle increases repeatability and reduces cable overlap.
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