It’s an automatic parachute deployment system that you build into the nose-cone of your rocket. The main portion of the build is made out of plastic soda bottles (2 liter size) to end up with a ...

New Ulm Area Catholic School 7th-graders Lincoln Reinarts and Grady McMonagle’s homemade bottle rocket traveled about 103 ...

The bottle must be made entirely of plastic, it must have ... Bear in mind that if you change the design, you also need to consider extra safety precautions. Rockets work by ejecting something ...