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Barrel to Chamber Ratio?

Post questions and info about combustion (flammable vapor) powered cannons here. This includes discussion about fuels, ratios, ignition systems, safety, and anything else relevant.
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Unread postAuthor: daberno123 » Sun Feb 10, 2008 12:07 pm

Sorry i meant volume :oops:
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Unread postAuthor: DYI » Sun Feb 10, 2008 12:24 pm

My calculation used 1.61" ID for 1-1/2" pipe, and 4.026" ID for 4" pipe, which is what they should be.

If you are within the minimum age for this forum (13), then you should know the formula, unless you've failed one or two grades.
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Unread postAuthor: SpudChucker24 » Sun Feb 10, 2008 12:47 pm

So this is a decent ratio then? Is it bad enough where i would have to change something?
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Unread postAuthor: bigbob12345 » Sun Feb 10, 2008 12:59 pm

The ratio isnt perfect but its not that bad you shouldnt need to change anything.
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Unread postAuthor: SpudChucker24 » Sun Feb 10, 2008 3:09 pm

Ok thanks for all the help guys. I think im going to make a civil war cannon like miskaman did. That thing looks sweet!
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