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Henry Hallam · 8th October 2007, 23:55

"If you start from first principles, Newton, Bernoulli and circulation theory are all one and the same, excluding the effects of viscosity."

True, but without viscosity, you can't have any circulation and therefore lift is zero.

8th October 2007, 23:55	#20 (permalink)
Henry Hallam Join Date: Jan 2006 Location: Cambridge, UK Posts: 119	"If you start from first principles, Newton, Bernoulli and circulation theory are all one and the same, excluding the effects of viscosity." True, but without viscosity, you can't have any circulation and therefore lift is zero.