Скачать или смотреть Simple Easy to Build Golfball Cannon

This is a simple golfball cannon I built being fired into a suspended blanket at 40psi. At 120psi we have confirmed distances of around 1100 yards with a tail wind.
While many people have asked why i don't use a modified sprinkler valve, the real reason is that they dont offer enough flow. SPrinklet valves are great for cannons with short barrels where there is very limited time to open the valve before the golfball exits the barrel. if the barrel is over 3ft long, you will most likely have better performance with a 1 inch or larger ball valve. This cannon has a 5 ft long barrel. This particular valve sticks extremely hard at first and then flies open. I can achieve an extra 300 meters using a 1 inch ball valve over a 1 inch modified sprinkler valve. Please make sure when attempting to build a cannon like this that you use Sch 40 or 80 pressure rated fittings and pipe. You should also be well versed in the art of PVC welding. Using air Pressure in PVC is extremely dangerous when done incorrectly. Misuse of PVC with air pressure can cause injury or death, so please be responsible.