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Hydrofoil? What is that?

 A hydrofoil is a wing that ‘flies’ in water. Hydrofoil is also used to refer to the boat to which the water wings are attached. A hydrofoil boat has two modes of operation: (1) as a normal boat with a hull that displaces water and (2) with the hull completely out of the water and only the foils submerged.

Preston Yarborough, plant manager at Twin Vee Catamarans, cleans a hydrofoil unit under the hull of a Twin Vee 35 model boat before it's installation at the Twin Vee manufacturing

Hydrofoils let a boat go faster by getting the hull out of the water. When a normal boat moves forward, most of the energy expended goes into moving the water in front of the boat out of the way (by pushing the hull through it). Hydrofoils lift the hull out of the water so that you only have to overcome the drag on the foils instead of all of the drag on the hull. 

For more information: Hydrofoil explanation from M.I.T.

 



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Welcome , today is Sunday, 2018/01/21