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Handheld Slingshot Ballista

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JoergS

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Oct 1, 2009
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As announced, I made a handheld inswinger "ballista" slingshot, to find out if it brings additional power.

I made a really wide fork and attached little "plattforms" to the fork ends. Then I added a lever on each side, which can swing inside of the fork. I also installed a stopper that I covered with some black tube, so that the returining lever will be cushioned some.

I attached short pieces of Thera Gold to the shorter end of the lever, and a normal hunter band set to the longer tip ends. I used 8 mm aluminum tube as "axis" for low friction.

inswinger4.jpg


inswinger1.jpg


inswinger2.jpg


inswinger3.jpg


It works, and actually I get about 20% more speed than from a conventional frame!

Here is the video:

http://www.youtube.com/watch?v=qbNdk4_aIok

It's fun.

Jörg
 
Jorg...you really are a nut. In the best possible way! :D

A compound slingshot!
 
JoergS – That’s an interesting design. Won’t be long before the bow builders start building slingshots with cam’s. I think if Barnett would bring one out in the 100 dollar range it would sell. tom
 
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