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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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Barrel To Chamber Ratio

Unread postAuthor: rustlerdude987 » Wed Apr 25, 2012 10:18 am

i was wondering if some one could check my chamber to volume ratio. my barrel is 2.5 inch by 48 inches and my chamber is 3 inch by 24 inches. i got 0.772037826530135 and i not sure if i did that right.
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Unread postAuthor: jackssmirkingrevenge » Wed Apr 25, 2012 10:43 am

Yep, that's about right :)
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Unread postAuthor: natas » Wed Apr 25, 2012 10:43 am

go to burntlake.com they have a wery usefull calculator for cb ratios

[url] http://www.burntlatke.com/ratcalc.html
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