Easy to assemble metal water rocket launcher with a 125 ... StratoLauncher IV Ultimate will propel a 2 liter plastic (PET) soda pop bottle over 350 ft. in the sky. Watch the last minute of the ...

This piece of engineering is so simple and elegant, you’ll want to build a pretty serious water ... your rocket. The main portion of the build is made out of plastic soda bottles (2 liter ...

This water rocket launcher lets you do just that ... If you’ve already got a compressor and some empty 2-liter bottles you might also pick up some extra PVC to make this pressurized water ...