Gaussian Gun with 4 Magnets and 10 Steel SpheresTwenty seven inch linear rail with four neodymium magnets in adjustable holders and ten 3 4 inch steel balls, accelerating an end of chain sphere to 3 4x input speed via magnetic potential energy.
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product description
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Twenty-seven-inch linear rail with four neodymium magnets in adjustable holders and ten 3/4-inch steel balls, accelerating an end-of-chain sphere to 3-4x input speed via magnetic potential energy.