any size ammo cheap

Potatoes last one shot, so build reusable! Discuss ammo designs and ideas. Tough to find cannon part or questions? Ask here!
itsnotmyblood
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Fri Aug 13, 2010 11:16 pm

take 86% water and 14% saw dust by weight mix it poor it in a mold freeze it. its called pykrete. look up a video i think it would be a good ammo


Mechanical properties Ice Concrete Pykrete
Crushing strength [MPa] 3.447 17.24 7.584
Tensile strength [MPa] 1.103 1.724 4.826
Density [kg/m³] 910 2500 980
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hi
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Sat Aug 14, 2010 12:08 am

Yup. I've never made it, but apparently it doesn't take much of it to make it bullet proof. Its very very strong and doesn't melt as fast as regular ice.
"physics, gravity, and law enforcement are the only things that prevent me from operating at my full potential" - not sure, but i like the quote

you know you are not an engineer if you have to remind yourself "left loosy righty tighty"
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SpudFarm
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Sat Aug 14, 2010 2:28 am

I know for a fact that DYI used pykerete (If I ain't terribly misstaken) and he did it more then one time so I would think it worked out good.
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MrCrowley
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Sat Aug 14, 2010 2:51 am

I actually made some today with newspaper instead. It is for reinforcing a projectile (soda can) :)
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SpudFarm
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Sat Aug 14, 2010 2:53 am

MrCrowley wrote: with newspaper instead.
Have you been watching Mythbusters lately? :D
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