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Chamber to Barrel question

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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Chamber to Barrel question

Unread postAuthor: battlelava » Wed Oct 26, 2011 10:38 pm

Ive been looking into making a breech loading potato gun and i wanted it to look like a WW2 howitzer. But when i was looking at a self contained "shell" (combustion cartridges) i came across this http://www.spudfiles.com/forums/how-to-syringe-fuel-metering-t22301.html and it has gotten me confused on if i would still need a chamber
Any help would be appreciated on clearing this up
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Unread postAuthor: jackssmirkingrevenge » Thu Oct 27, 2011 12:42 am

Do you mean my use of the same tube as both barrel and chamber?

Basically you'd need two tubes, one open on both ends which is you barrel, and another, closed on one end and with the projectile jammed in the other, is your cartridge.

Some links which might be of interest:

http://www.spudfiles.com/forums/combust ... 10402.html

http://www.spudfiles.com/forums/cartrid ... 20150.html
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