How to Make a Powerful Handheld Rocket Launcher from PVC and Sprinkler Parts « Hacks, Mods & Circuitry :: Gadget Hacks
PVC | Systematic Technology
Compressed Air Rocket Launcher! : 3 Steps - Instructables
Adjustable PVC Rocket Launcher
Soda Bottle Rockets: What better way to lure the kids outdoors (and get some serious exercise tracking down… | Pvc pipe crafts, Pvc projects, Bottle rocket launcher