how do AA batterys do compared to other munition? are they pretty precise? do they do some descent damage? I will be using them for a pneumatic canon.

Note: I'm still a total noob at spudguns

@kpotmake
are you from europe ??
I suggest building a fridge compressor... they are better than emergency tire pumps and normal compressors

the best way to get many shots is to keep the gun hooked to air source all the time...whenever you want to fire just open the valve to fill the chamber and ...

I have a small 12 volt compressor that gets to 250 psi. I also have a shock pump (used for putting pressurized air in mountain bike shocks) integrated into the gun. The shock pump goes up to 300 PSI.

http://i730.photobucket.com/albums/ww303/rave669/chamberz.jpg

I would suggest a 3 or 4:1 ratio ...

I have built a pneumatic that does this. I've been experimenting with this sort of setup. There's a trick to doing it.

So, you want two chambers. I tend to call them the firing chamber and the reserve chamber. The Firing chamber does just that: it holds the air you are using to push your ...

oh your not going to have this continously hooked up to an air source?

in that case i would recomend alot bigger chamber than your main chamber as pressure will drop...fast.

how about running it on a 2kg tank of bbq propane, works a treat for my 3" porting cannon
sorry, but im not really ...

lets say about 5 to 10 shots, is this a verry high amount of shots and almost impossible to acchieve or is this reasonable?

Hello, I'm new into spud / air guns, and i want to be making one. I'm actually making plans to make a semi auto from scratch (I'll be making everything myself, that includes the valve, chamer, barrel etc.). What I need to know is what is a recommended chamber size. I will be using 2 chamber, one for ...