Easy to assemble metal water rocket launcher with a 125 PSI safety valve. Rocket will NOT fly straight without an aerodynamic nose cone made from a second soda bottle and use only 1 cup (200 ml ...

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.

It does a remarkable job of pressurizing and launching soda bottles which ... lot of these water bottle rocket projects is that they leak where the bottle meets the launcher.

via Baking Soda Bottle Rockets (Photo: Business Wire) ARM & HAMMER Baking Soda and educators from the U.S. Space & Rocket Center will host a STEM Festival booth to inspire education and excitement ...