Pet-Star water rocket car | |||||||||||||||||||||||||
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The Pet Star water rocket car is an environmental friendly vehicle.
A Pet bottle is used to stock air and water. The air is pressurised with a bicycle pump . The water is expelled because of this great pressure and pushes the car forward (action<>reaction principle). This DIYs project helps to understand the abstract notion of energy efficiency. The more the system is cleverly designed and the further the car will travel (with the same amount of energy).
Another interesting point of this DIYs project is the ability to stock in a bottle the body energy of the "pumper".
There are many possible designs. The model we publish can be freely modified and surely improved.
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