Any of you guys use one to get out of a situation you couldn't get out of on your own?
My experience with it is:
Plus - they really are light and they really are strong and small.
Negative - they have a large rolling coefficient of fiction. I'm just guessing here but I think you only end up with about a 2:1 advantage though of course will always pull 5:1. If any one is really interested I can try and get one of those luggage scales and get a more accurate number.
I can say it's uber important to keep all ropes and pulleys lined up perfectly though that is tough to do in rough situations.
I ended up getting a larger set that I'm guessing gives closer to a 3.5:1 advantage in a 5:1 configuration.
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