Rotary Sailing Research
There are two areas in which a sailing boat is not practical; its inability to sail in a region of approximately 45 degrees either side of the direct head-to-wind direction, and the impossibility of its making progress when there is no wind to drive it. The Rotary Sailing craft project is aimed at dealing with both of these problems. -- Read on
2 Comments:
Isn't this design a rehash of one of L. Francis Herreshoff's?
I don't know why this is even posted. This is a ten year old article that proved impossible for human transportation due to the thrust factor (unless you had a 12' blade).
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