Download the Water bottle Rockets ... And most bottles aren't a great shape for smooth flight. There are many other, more advanced, rocket designs. Some people compete in national competitions.

The problem with a lot of these water bottle rocket projects is that they leak where the bottle meets the launcher. In most cases this is a good thing as it’s almost impossible to build up ...

Such projects always hold the potential for entertainingly over-the-top designs, materials ... assessment of his remote-controlled soda bottle rocket launcher as “overengineered”.

Eighth and ninth grade students worked in teams to design, build, and launch water bottle rockets, learning about propulsion and altitude calculation in the process. “Hopefully they're having a ...