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Dart ammo

Post about things you have launched or thought about launching. Also post about various materials used for building cannons. No posts about explosive projectiles!
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Dart ammo

Unread postAuthor: colty-bear » Thu Jul 23, 2009 7:22 pm

i have found a very good ammo short screws! me and my friend made a small wind tunnel last year with a clear peice of 1/5 pvc then some high input fans and then I wasn't really using it then i was thinking i could test ammo i tried some things that werent the best

then i tied some small fletching strings on a 1 wood screw i dropped it in and it flipped around then i dropped it in point straight it stayed straight then after 2 secs it started spinning like a bullet! the coiled threads spun it


so i shot it out of my 1/4 copper/brass coaxial and flew like crap
so i wrapped some electrical tape around the string so it was same size as the fan on back of screw so the point was centered in barrel instead of the point laying in the barrel


like this it works! sorry made it in paint


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