Figure 5-21. - A. Unreeling wire rope; B. Uncoiling wire rope.

the reversal should be of a larger diameter than ordinarily used and should be spaced as far apart as possible.

Sizes of Sheaves

The diameter of a sheave should never be less than 20 times the diameter of the wire rope. An exception is 6 by 37 wire for a smaller sheave that can be used because this wire rope is more flexible.

Figure 5-22. - A wire rope loop.