Here is a diagram to help explain the design of the soda bottle rocket. Everyone is allowed two 2-Liter pop bottles, tape, and water.
There is one very important rule to remember......the main pop bottle is UPSIDE DOWN, and do NOT cut into it!!!!!!!!!! (Any holes or cracks in the main bottle will make it impossible to reach the best pressure.)
The other pop bottle is used for making the nose cone and fins, and everything can be attached with duct tape. Have fun with your design. Can't wait to launch 'em!!!!
If you would still like to sign up for the rocket launch just let me know.
:)
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