How did that go with your teacher?

Is their a reason you need to use a ball valve?

You have you pilot valve where the chamber is supposed to be and the chamber where the pilot valve is supposed to be.

My uncle made a single shot version of that. He said it got good range and nice power. He had a 7 foot tube, and a small lathed spike at the bottom. He just dropped the cartriges in like a mortar.

i made a squirt gun similar to what you described and i was disappointed in the performance it only shot a little over 35ft i revamped it and put a piston between the air and water and got nearly 80ft so if your going to make one have a piston between the air and water p.s. if you use just air with...

I think it would cut down on flow though.

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and I will tell you your best bet will be a coax with a Tee that goes into the grip for extra chamber volume.

Ok, thanks guys thats all i needed to know.

My next project is a high pressure co-ax. My chamber will be galvanized steel, but my barrel will be pvc. At 300psi is there any chance of my barrel imploding. Thanks in advance!

mark.f wrote:Well, when the bolt moves back after the piston opens, you have the potential for a double feed, so what does this solve?

Not if he used really high pressure and small volume of air. Because all the air would of escaped before the piston would have time to fully return.

I think anything that has to do with the contest.

There is an issue with your dump chamber. Specifically pointing towards your "Air In" area, and the mechanical sear that will drop to fire it. You have a larger surface area on the chamber side than you do the sear side, so it will not simply slide towards the sear like in the animation. It may sli...

I always thought that somthing spring loaded would be cool. Another idea i had, wich wouldnt work for your gun is to take an electric airsoft piston and add tube to the piston with will come out of the barrel. its an easy semi auto hammer. if you did that would you need a spring behind the piston? ...

I always thought that somthing spring loaded would be cool. Another idea i had, wich wouldnt work for your gun is to take an electric airsoft piston and add tube to the piston with will come out of the barrel. its an easy semi auto hammer. if you did that would you need a spring behind the piston? ...

I always thought that somthing spring loaded would be cool. Another idea i had, wich wouldnt work for your gun is to take an electric airsoft pistol and add tube to the piston with will come out of the barrel. its an easy semi auto hammer.