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Reusable spud gun ammo

by Thingimijig, published

Reusable spud gun ammo by Thingimijig Jan 24, 2013
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2668Views 344Downloads Found in Sport & Outdoors
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Summary

For use in potato cannons

Instructions

Scale to 0.5mm smaller than the inside diameter of your barrel (my barrel is 64mm so the spud is currently 63.5mm wide.

The heavier the projectile is the further it will fly.

I printed with 3 shells and 10% infill

This is a good how to video but there are many on youtube
http://www.youtube.com/watch?v=ykF3TUTI2hU

I made a 6 foot cannon out of 70mm drain pipe and 120mm soil pipe that can shoot a tennis ball 300 meters on a good day

Be safe and have fun

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2668Views 344Downloads Found in Sport & Outdoors
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I tried to print this several times and it does not finish the print. i get an error in makerware saying there was a problem silcing the model. I've not had this before with anything else i've printed.

any suggestions?

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