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How to make a fast balloon car?

April 26, 2017balloon car fast

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How to make a fast balloon car?

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A fast balloon car depends on several things. The force of propulsion must exceed the combination of the weight of the vehicle and the friction of the axles preventing the motion of the car. You can increase the force of propulsion by restricting the aperture that the air escapes through (too much restriction lessens the propulsion). You can decrease the friction of the axles without increasing the weight of the vehicle by passing the axles through a plastic straw so that they “ride free”.