Water rocket
A water rocket is a type of model rocket using water as its working mass. The water is forced out by a pressurized gas, typically compressed air.
Water Rocket Media
Simplified animation of how a water rocket works.1) A bubble of compressed air is added and pressurizes the contents of the bottle.2) The bottle is released from the pump.3) The water is pushed out through the nozzle by the compressed air.4) The bottle moves away from the water because it follows Newton's Third Law.
Launch of a bottle without nose cone or fins.
Launching a water rocket. The rocket is in its peak with no water inside it.
Full HD 40 times slow motion video of water rocket liftoff
Two multi-bottle rockets with a cat for scale.
A larger multi bottle rocket with cylindrical fins.
Apogee photograph taken by the onboard video camera from U.S. Water Rockets' record breaking X-12 Water Rocket at an altitude of 2,068 feet (630 m).
Other websites
- The Water Rocket Achievement World Record Association – International association dedicated to the construction and safe operation of water rockets and the governing body for all water rocket world records.