Peter Worsley 

Videos of testing direct upwind sailing

 

Testing direct upwind at Eaton park model boating pond

 




 

(Above) Carrying a brick 1kg directly upwind with an 18inch wind rotor tip speed ratio 1.

(Above)This test above is to demonstrate that a small 14inch wind turbine can power a much bigger boat directly upwind.This is a slow speed wind turbine with a tip speed ratio of 1. When the line goes tight the boat is pulling directly into  the wind. 





1.2 Metres per second (not 12)

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Rotary Sailing Directory Proof that it works Harvesting the Headwind