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Hello Everyone,
I have been wanting to make a compact crossbow for a while; I think I have finally settled on Robert van House's design (I do plan to try other designs as well):
http://www.freepatentsonline.com/4169456.pdf
A couple questions:
I have been wanting to make a compact crossbow for a while; I think I have finally settled on Robert van House's design (I do plan to try other designs as well):
http://www.freepatentsonline.com/4169456.pdf
A couple questions:
- Is there any advantage of having a larger diameter pipe/compression chamber? I plan to make this powered off compressed air; I would have a Schrader type valve on the compression chamber; I would pump it up to about 100psi or there abouts, and the movement of the arms and piston will bring up the pressure some more.
- What would you recommend as a material for the swinging arms? It needs to be relatively easy to machine, lightweight, but strong.
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