To assemble the stomp rocket, place the rocket on the end of the launcher. Then stomp on the 2-liter bottle to see how high ...

Water rockets work on the premise that if water ... Usually, this takes the form of a 2-liter bottle, a tire pump and some cardboard fins. [François Gissy] modified the design but not the ...

This water rocket launcher lets you do just that. Built using the frame from an old grill, a soda bottle takes its place ... got a compressor and some empty 2-liter bottles you might also ...

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.

Aim the bottle rocket well away from people! It moves very quickly and its trajectory can vary. Spray the inside of the 2-L bottle with ethanol, adding enough to coat the inside walls. Rotate the ...