Double Barrels and Piston Valve Question

Just starting to spud and wonder how long your barrel should be? Want to know how to build a better cannon? This is just the place! If you think your question is one of a newcomer, please post it in here. If your question is posted elsewhere, and it's a newcomer's type question, it will be moved in here.

Postby An Apple Pie » Wed Nov 29, 2006 7:34 am

Yea I have been looking at your's and DR's semi-auto for the loading mechanism. I guess I was so busy looking at that, I never even realized that they were filled from the chamber side.

So about this spring, how light should it be. Could you give me some of those numbers that are used to rate springs, that would work?
An Apple Pie
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