Figure 6-49. - A steel picket holdfast.
Table 6-2. - Safe Capacity of Spruce Timber as Gin Poles in Normal Operations.
a. Make a tight lashing of eight turns of fiberrope about 1 foot from the top of the pole, with two of the center turns engaging the hook of the upper block of the tackle. Secure the ends of the lashing with a square knot. Nail wooden cleats (boards) to the pole flush with the lower and upper sides of the lashing to prevent the lashing from slipping.
b. Lay out guy ropes, each one four times the length of the gin pole. In the center of each guy rope,Continue Reading