In this video I show how to make a super simple propane bottle launcher, especially good for demonstrations of the basic physics of rocketry. I've used this launcher myself for kid's science lessons ...

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Make a hole through the length of the cork ... Oh, and an apple may have fallen on his head. The water bottle rocket demonstrates two of his laws. Every action has an equal and opposite reaction.

Rocket will NOT fly straight without an aerodynamic nose cone made from a second soda bottle and use only 1 cup (200 ml) of water. Kit includes StratoLauncher IV, StratoFins, ball head ...

The staggered tongues that are left after cutting along this line make up the friction ... is then slipped over another bottle that makes up the body of the rocket. The rubber band wraps around ...

The EZ-Launch bottle rocket launcher has an internal spring loaded release mechanism that allows the user to firmly hold the bottle while adding air pressure and releases the bottle with a quick ...