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A rubber powered plane is one that uses a rubber band to store power. The band is attached to the propeller at one end and anchored at the the other. The prop is then turned in the opposite direction to normal rotation. The band twists and knots up. When the prop is released, the stored power in the twisted band untwists, spinning the prop and providing power for flight. Usually in toy aircraft, but could be scaled up to full size, probably.

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9y ago

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