Bike wheel bow

[Mortblanc]

1. the normal advantage of the bow is the simplicity of the technology and the need for ZERO modern componants. This requires elastic and metal rather than wood and string.

2. The catapault uses elastic technology and would provide the same power and do the same job with much less bulk. A simple PVC pipe with the elastic attached and rigged as a spear gun would do the same.

So this combines the bulk of the bow with the need for modern materials of the catapault.

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Looks like somethign an Ewok would come up with.