Are there any boats that have anterior instead of dorsal sails to take greater advantage of currents vs winds?
That's a keel. And, yes, all of them. Sail boats work on the DIFFERENTIAL between current and wind. Note that bc water is so dense, small keels accomplish as much as large sails.
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This is not in fact what a keel is
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Guess I'll return those naval engineering textbooks and ask for a refund
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