We’ve got to say the force with which the jaws close around the bottle flange is a bit ... Perhaps it could even launch a two-stage water rocket?

The rocket launches with little or no warning and ... acts on the water to eject it from the bottle. Compared to the bottle, the water is heavy. So pushing water out at a moderate speed backwards ...

Easy to assemble metal water rocket launcher with a 125 PSI safety valve. Rocket will NOT fly straight without an aerodynamic nose cone made from a second soda bottle and use only 1 cup (200 ml ...

This water rocket launcher lets you do just that. Built using the frame from an old grill, a soda bottle takes its place on the upturned PVC pipe. There’s a connection for your garden hose ...

The EZ-Launch bottle rocket launcher has an internal spring loaded release mechanism. that allows the user to lock the 2 liter bottle in place during the fill up phase and release the bottle with ...

The rocket launches with little or no warning and ... acts on the water to eject it from the bottle. Compared to the bottle, the water is heavy. So pushing water out at a moderate speed backwards ...