Help with T-Shirt Cannon

[ASD20]

Originally Posted by Why_A_Username?

Our coach will not OK a cannon design unless it has a range of 50' or less due to safety concerns.

All you need to limit the range is to have a pressure regulator in the system, which you should have anyways. If you use one like the frc one, you just need to adjust the nob to lower the pressure, which will limit the range. You can even use this method to change your shot on demand based on location (If you are in a small room versus a football field, you will probably want a different shot power).