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post #287 of Old 05-23-2013
casey1999
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Re: Another America’s Cup entry destroyed

Quote:
Originally Posted by PCP View Post
Depowering I think it has to do with the wing. Control may have to do with the winglets on the rudders.

This is all new territory that only had been explored by the Hydroptere in what regards big sailingboats. Lots of things to master and learn regarding not only one territory but two: Fixed wings and foiling.

I confess that I find foiling more interesting in what regards boat development. I cannot see how a fixed wing can be used on a cruising boat but then I can be wrong

Regards

Paulo
My understanding is a wing sail is like an airplane wing. It always has an air foil shape and therefore if air moves over its surfaces, it will provide lift and therefore forces on the rig. This differs from a soft sail that if you luff, it depowers as the velocity of the air on both sides of the sail can be equalized and therefore no lift or force on the rig is developed.
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