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Here are some things you can do to enhance your  2-Liter Water Bottle Rocket Launching fun:

  • Get a 5-gallon bucket for hauling parts and water to the launch site.  Fill the bucket with a couple of gallons of water (8 pounds per gallon).  Place the spare Rockets and Launcher parts in the bucket for easy carrying.
    Bucket of Launch Stuff for 2-Liter Rocket

 

  • Make a bottle-fill funnel to aid re-fueling.  Cut a 2-Liter bottle in half with scissors.  Use the top half as a funnel and the bottom half to scoop "fuel" out of the 5-gallon bucket.
    Squash middle of bottle for 2-Liter Rocket Fuel funnel Cut bottle in half for scoop and funnel for 2-Liter Rocket Fuel Hold Funnel over inverted Rocket to add Fuel

 

  • Take extra rockets (2-Liter pop bottles) for "just in case".  Sometimes rockets land on roofs or in trees.  Occasionally a rocket will get damaged by some other accident (like run over by a bicycle).

 

  • You can build an Inclinometer to measure the angle of the rocket altitude.  If you measure the distance from the launcher, you can calculate the height.  Here is the inclinometer that I made: Inclinometer Instructions

 

 

Up Inclinometer

Safety Notice:
These launchers are basically safe.  The biggest hazard is the empty 2-liter plastic bottle falling from the sky.  Other dangers include (but are not limited to):
Tripping while trying to catch falling rockets, sunburn while having too much fun in the sun, death while running in front of moving vehicle (while trying to catch falling rockets), freezing to death while having too much fun in the winter, and bee stings.  Parental guidance is suggested.  Always shoot the rockets straight up.  Don't be stupid.

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Last modified: April 29, 2007