The rocket is part filled with water, and air is pumped in with a foot pump. When the rocket is released from the launcher, the high pressure inside the bottle equalizes with the air outside ...

The basic idea is to use several chambers on the water rocket, one which provides an initial short “boost” phase of high acceleration, followed by a longer “sustain” level of acceleration ...

Al Williams and I were talking about water rockets on the podcast the other day, and I realized that this was a perfect example of an open-ended simple project. It sounds really easy: you put some ...

Project, the University of Bologna will be developing a new electric thruster for rockets that is propelled by water being turned into plasma through electrolysis. While prototypes of water-powered ...

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 bottle must be made entirely of ...

DR YAN WONG:You see how high that went? It's amazing ... Children from Links Primary School in London investigate water rockets. Dr Yan Wong explains the theory behind rocket power, and the ...