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so, 1400# tension on GRCS will lift ~1000# give or take a bit? instead of using a block which is going to lift closer to 1100# at 1400# tension?

I think the entire thread has pointed out why its a bad idea dont take it personally, just what I have observed so far, just climb it and put the block on the tree like normal, if you are serious about doing tree work that shouldnt be an issue at all, I and thousands of others do it this way...

to set from the ground will be very hard to choke the trunk a limb is NOT a substitute for the trunk/bole of the tree if you are after strength you cannot inspect the rigging point from the ground for rot, cracks, woodpecker or beetle holes, racoon turds, old cable/brace, etc your sling is good...

not true as long as your GRCS is below the rigging point, often even just on the same tree and you are good as long as the rigging is high enough its pretty hard to exceed the maximum angle allowed by the GRCS fairlead, unless im missing something never had to put another block over my GRCS, but...

double the weight on the limb you are rigging, the rope wont see any extra tho, 4K on the rigging is 8K on the limb and still only 4K on the rope

what rope is that sling made of? ive put probably close to 30 thousand pounds on a 3/4" tenex whoopie sling and she held if your sling is rated for 4K, you can safely put 8K on it in your configuration there no problem, take this with a grain (or pinch) of salt, I have had close to 7K on my GRCS...

I figure its probably the exact same or maybe a little better than rings alone, I have never really had an issue with ring friction tho, even for lifting but then again I rarely do massive stuff so friction isnt an issue

here is a similar one, doubled up frictionsaver with a block in the bite made by the sling, he included a DIY retrieval cone in the video, so I figure maybe can be set from the ground also?

can get a rigging ring froctionsaver from Arbsession how much weight do you intend on lifting with the GRCS while using this rigging point? rings have some friction but really not so much that I would worry about it when using the GRCS unless I was maxing it out on load or had multiple re...