The problem with a lot of these water bottle rocket projects is that they leak where the bottle meets the launcher. In most cases this is a good thing as it’s almost impossible to build up ...

The WMU chapter offers a program in building and launching water-powered bottle rockets as an exciting introduction ... Day 1—Build Day: Western students describe engineering and rocket design basics ...

Practise and challenge your friends! Download the Water bottle Rockets PDF(378 Kb). Adobe Acrobat is required. SAFETY: This rocket uses air pressure to fling a bottle at high speed 20–50 metres.

In this case, though, we’ll respectfully disagree with [Zach Hipps] assessment of his remote-controlled soda bottle rocket launcher ... and launching air-powered water rockets.

While prototypes of water-powered rocket thrusters and engines have been developed before, and a few have succeeded in launching CubeSats, water has not yet been used as a propellant on a large scale.