24th February 2007, 12:12 PM
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#11 (permalink)
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| Admin - Dip Arb & Hort
Join Date: Jan 2007 Location: Brisbane
Posts: 7,939
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And natural crotch on many trees prevents you having to climb to the top and then back down to rig the low branches first ... you can rig on the way up.
Here's another diagram on sling config angles.
Notice when slings are at 120 degrees to the lifting hook each sling (or leg of sling) experiences the same weight as the load. |
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