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Could a boat 'sail' in a river using the difference in water velocity between shallow and deep water?
In principle you may be right -- it would depend on how efficiently your system would work, and how many times you could put up with your deep keel hitting obstructions and breaking off before you ...
- 2,827
2
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Accepted
Could a boat 'sail' in a river using the difference in water velocity between shallow and deep water?
Yes. It is done with RC glider planes. They call it dynamic soaring, where they fly a circular path that cuts through a wind shear. Some ridgetops have strong shears and speed of over 500 mph have ...
- 5,150
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