The "payload" in the top compartment is a parachute, which is made of the cloth of the an umbrella.
The coke bottles pumped to 100 psi could reach a horizontal distance of 120 meters, or about 11 stories vertically.
I have always wanted to turn them into "guided-missiles" by adding several servo-motors and a RF remote control.
All Rights Reserved. Stanley Lio, 2014
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