What is the recommended fleet angle for a smooth drum?

What is the recommended fleet angle for a smooth drum?

• A. 0.5 to 1.5 degrees
• B. 1.5 to 2.5 degrees
• C. 0.0 to 0.5 degrees
• D. 2.0 to 3.0 degrees

Answer: (A)

A small fleet angle keeps the rope evenly distributed on a smooth drum as it winds, which reduces wear and prevents the rope from riding on a single edge. For a smooth drum, about 0.5 to 1.5 degrees is ideal because it’s large enough to distribute the rope across the drum width but not so large that the rope fights against the drum edge or causes uneven winding. If the angle is too small, the rope may ride in the same groove and wear more on one side; if it’s too large, it can wrap unevenly, leading to edge wear and potential rope slipping. So the recommended range of 0.5 to 1.5 degrees balances smooth winding with minimal wear.

A small fleet angle keeps the rope evenly distributed on a smooth drum as it winds, which reduces wear and prevents the rope from riding on a single edge. For a smooth drum, about 0.5 to 1.5 degrees is ideal because it’s large enough to distribute the rope across the drum width but not so large that the rope fights against the drum edge or causes uneven winding. If the angle is too small, the rope may ride in the same groove and wear more on one side; if it’s too large, it can wrap unevenly, leading to edge wear and potential rope slipping. So the recommended range of 0.5 to 1.5 degrees balances smooth winding with minimal wear.