Projectile	Pressure	Target	Range	Damage	Recoil
Spud	40 psi	Range test	85 yds.	none	Minimal
Golf Ball	80 psi.	Sled	10 yds.	Clean Hole	None
Gravel	80 psi.	Sled	10 yds.	Sled Blew Apart	None
Water	20-30 psi.	None	15 yds.	none	I fell over
Gravel	20-30 psi.	Soda Can	Real Close	Can was blown in half.	It was on the stand
Paintballs	20-30 psi.	Tree	10 yds.	Tree turned yellow	It was on the stand
Stress Ball	95 psi.	Straight Up	11 seconds hang time	Made a dent when it hit	It was on the ground
Rocks	80 psi.	Cardboard Box	5 yds.	Box blew apart, flew into the air	Light
Rock	20-30psi.	Derilict Schoolbus	20 yds.	Dented, and partially tore off panel	none
Golf Ball	90 psi.	Range Test	I lost sight of the ball, I estimate over 300 yds.	I feel bad for whatever it hit.	Medium
Rocks	90 psi.	Old Chair	5 yds.	Blew large holes.	Light

This is the test for my inovative soda bottle gun.