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So you want to build one...
The following instrucdibles describe how to build a launcher and a simple single stage water rocket capable of flights to altitudes of around 60 - 80m. (~180 - 250 feet). For simplicity the rocket does not use a parachute, and is built to withstand a high speed return to earth.
When cutting PET bottles with a knife, it is easy to slip and do some damage to yourself, or the work area. Always reach for scissors first as these are easier to control and much less dangerous. A rubber chicken is not sharp enough to cut through plastic bottles.
ps this is my first instuctable.Please Be Nice!!
Step 1: Tools
Drill and drill bits.
Round or half round file
Hacksaw or tin snips