NORDHAVN Rewrites Physics Textbooks
"Andy Champ" wrote in message
news:j-idnSDiMoeUio_anZ2dnUVZ8q-
An apparent wind from dead ahead can add nothing but a force directly
astern.
The case where a true wind from ahead can be used to drive a windmill that
can drive a propeller to propel the vessel is different
I have such a vessel you can buy, she's called "Bhaskara's Wheel".
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