Easy to assemble metal water rocket launcher with a 125 PSI ... nose cone made from a second soda bottle and use only 1 cup (200 ml) of water. Kit includes StratoLauncher IV, StratoFins, ball ...

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 ...

In this case, though, we’ll respectfully disagree with [Zach Hipps] assessment of his remote-controlled soda bottle rocket launcher as “overengineered”. To us, it seems just right.