Potato Cannon Projectile
thingiverse
My second "thing", I built this especially for my potato cannon! I can easily get over 140 yds with just rocks! Just imagine how this will fly!! Note: Keep away from children, aim away from face! I haven't printed this yet because my printer is delayed another week!!! Its shipping on Monday May 11! I'm thinking of printing this first. If anyone has their MakerBot up and running, I invite you to print this to see how it comes out and leave feedback on it so I can improve further designs. Instructions The stupid CADspan program messed up one of my fins but im sure one can trim the base down to match the bottom of the fin. Or you can use a hot glue gun to fill in the gaps but stick some of your plastic in it instead of hot glue. Scale this up to 50mm (thats the inside diameter of 2" schedule 40 PVC pipe.) If the projectile is too big just sand it down until it fits, snug.
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