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Rigging Guidelines Main Page |
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| Choker Hitch configurations affect
the WLL of a sling. This is because the sling leg or body is passed around
the load, through one end attachment or eye and is suspended by the other
end attachments or eye. The contact of the sling body with the end attachment
or eye causes a loss of sling strength at the choke point. When the load
is hanging free, and the choke was not forced down towards the load, the
normal choke angle is about 135 degree. When the angle is less than 135
degree the WLL of the sling must be downrated. In some trades it became
practice to use 2 slings in a choker configuration at less than 30 degrees
with the choke points facing each other. Although it makes a nice "tight"
choke around pipes and bundles of steel – remember that this practice
reduces your sling capacity by more than 50%! |
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| Reduction
of CHOKER Sling Capacity (WLL) |
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