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Old 10-14-2019, 01:48 AM   #9
popgun pete
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Join Date: Mar 2006
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Re: Slingshot Weapon with pulleys

This is how it works; the rubber bands in stacked sets of loops get stretched by the cams at the top and bottom and the actual cam shapes are hidden by the covering panels on the frames so that you change the leverage to adjust the draw pull to a minimum in order to hold the bow at a decreased effort until you let go of the bowstring, then the force goes up.

The rubber bands replace the bow limbs that usually act as leaf springs to store the energy when you draw the bow. Considering the size of this gadget I wonder if there is any advantage as a normal compound bow is about the same size, plus rubber bands wear out and bow limbs should not. For over a grand (at a discount) I wonder how many would be really interested in this rejigged slingshot.
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