Posted 14 January 2005 - 08:49 AM
You know why it sucked with two valves? Two reasons:
1) The pressure needs to be BEHIND the dart if it's going to push it out. You open the valve closer to the tank first, to let the pressure in, right? Well then what's going to happen is that you open the valve at the end of the gun, most of the pressure comes out, and the small amount of air that was behind the dart doesn't do much. A simple way to remedy this would be to tilt the gun forward, but then accuracy goes out the window, and eliminates the main purpose of a non-rapid fire gun.
2) I assume you used valves so that you don't have to pump as much, right? Well, it's not going to work so well since Your PSI is going to go down every shot, (That is, of course, if that tiny tank can hold enough air for a few shots) because when you let air into the barrel, your air has more space, right? so it expands, you close the barrel, and now the pressure in the tank is lower. Repeat, and your ranges go "Ploop".