A Simple Current-Powered River Ferry Design

Make a river ferry that's powered by the flow of the current, rather than by a motor that runs on fossil fuels.



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A pulley system attaches the front right and rear right corners of the boat to the overhead cable, while a hand winch allows the "skipper" to adjust the position of the ferry. 
ILLUSTRATION: MOTHER EARTH NEWS STAFF
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The ferry moves in opposite directions, depending on the angle of the ferry to the force of the river current.
MOTHER EARTH NEWS STAFF

















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