It’s a great way to send a water rocket ever higher, but [The Q] didn’t stop there. The build was also fitted with a wind-up module from a little walking toy, colloquially referred to as a ...

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 ...

Robert Zubrin's Nuclear Salt Water Rocket (NSWR) design is a rocket that uses known physics and engineering . There are ...