[Mr. Hart] wanted a quick and easy way to safely launch air-water rockets and came up with a pretty clever system. The core task is to pump air into the partially filled water bottle and then ...

This stunt has lots going on: air pressure, a satisfying 'whoosh' noise, a high speed departure and a good soaking if you are standing close. It's classic science that's fun to do as a family or a ...

There are plenty of rocket experimenters ... air supplied from a tank or compressor. This turbine wheel is affixed to the same axle as an impeller which draws up fuel and pumps it out, ideally ...

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. The ...