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block, secured to a point directly in front of the vehicle
will enable you to change your pulling direction while
still allowing the wire rope to be at 90° to wind properly
onto the spooling drum.
Increasing Pulling Power
In some cases, you may find yourself needing more
pulling power. The use of snatch blocks increases me-
chanical advantage and that increases your pulling
power.
Double Line
Because pulling power decreases with the number of
layers of wire rope on the winch drum, you can use a
snatch block to double line out more wire rope. This
decreases the number of layers of wire rope on the drum,
Wire Rope Routing
586 STARTING AND OPERATING
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