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On Sat, 21 Apr 2007 07:48:31 -0400, Ron Natalie
wrote in : Larry Dighera wrote: On Thu, 19 Apr 2007 20:05:03 GMT, wrote in : a hydrofoil "planes" on big water skis. Ummm... Think again: http://en.wikipedia.org/wiki/Hydrofoil A hydrofoil is a boat with wing-like foils mounted on struts below the hull. As the craft increases its speed the hydrofoils develop enough lift for the boat to become foilborne - i.e. to raise the hull up and out of the water. This results in a great reduction in drag and a corresponding increase in speed. A hydrofoil works much like an aircraft wing, but it works in a fluid medium with a substantially different viscosity. The viscosity is different, but an airplane wing also works in a fluid. Maybe you meant liquid? I meant what I said, and I fail to infer the point you are attempting to make. I chose the word 'fluid' specifically because it is the correct term for both media. |
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