Combustion chamber?

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cannon
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I have a 4 foot by 2.5 inch piece of drain pipe as a barrel and i am stuck on what to use for a combustion chamber, what would be the best thing to use?

thanks in advance

cannon :)
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darthtator
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Well, a 5"piece of sch. 40 pipe 10 inches long will give you a c:b ratio of .877:1, that should do fine or you could go with a piece of 4" sch. 40 that is 15 inches long and give you a ratio of .836:1 which is also good.
Your hands can't hit what your eyes can't see, float like a butterfly sting like a bee. *Ali*
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iamthewalrus
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Location: Iowa (SO BORING!!)

and if thoughs 2 sizes cost to much, 20" of 3" pipe will give u a .858 C:B ratio.
i got connections with the modfia, watch who ur talkin to noob.


talk to me on AIM at iamthwalrus3
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