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Cement molds and making cement slugs

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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Unread postAuthor: jimmy101 » Fri Oct 19, 2007 10:46 am

1. Tape the cup for the nose cone to the pipe
2. invert
3. fill with concrete
4. insert second cup into pipe to form the hollow tail

No need to cut a hole in the nose cone cup, or the other cup for that matter.
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Unread postAuthor: jackssmirkingrevenge » Fri Oct 19, 2007 10:51 am

No need to cut a hole in the nose cone cup, or the other cup for that matter.


... though you'll probably need to add a few weights to the tail end cup to keep it in place.
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Unread postAuthor: gwoloshyn » Fri Oct 19, 2007 2:46 pm

Quikrete is CHEAP! Batteries = Not cheap!
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Unread postAuthor: windshrike » Fri Oct 19, 2007 3:44 pm

Make it a bit small and wrap it in duct tape to prevent wear in the barrel.
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