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10-12-2008, 09:50 PM #1
OT: source for big bungee cords, like for jumping
My nephew asked me to look for a big bungeee cord or a source for smaller ones to link together. Plan is to use it like a slingshot and shoot him on a skim board onto the surf zone. I figure rubber tubing might work or tied together bicycle inner tubes.
I would think a real bungee jump cord would take too much force to stretch far and have too short a pull. OIf course they must cost a lot due to insurance etc.
maybe rockets would be more fun or, a big pogo stick. how about a pile driver on its side?
10-12-2008, 11:10 PM #2
Your nephew is an idea man. Real bungee cords are made up of hundreds of smaller rubber cords and are very expensive. If you can find a medical surplus store and buy many feet of surgical rubber tubing, that would be the most cost effective way to get a combination of strength and elasticity.
thnx, jack vines
10-13-2008, 03:40 AM #3
If you anchored a pulley offshore, you could use a winch to tow him out on the surf zone. A retriever could be used to pull the winch line back to shore for the next tow. The winch looks like this:
It's much like this winch I built for launching RC sailplanes, but the larger line would require a larger drum:
10-13-2008, 08:32 AM #4
10-13-2008, 08:52 AM #5