In a message dated 3/23/04 4:18:24 PM, wilden1-1@SBCGLOBAL.NET writes:
> Before the golf ball dimple technology works you need a full belly pan and > enough horsepower to make the project worthwhile. > For a good working example just lay down and look under a Porsche of any > year. > > Stan Wilder > Stan, This is a good point and I have considered 0.0625 inch thick Al sheet for such a purpose, but never quite had the time to do it. More effective, though, would be a pressure deformable inflatable truncated hemispherical surface mounted to the rear of the Vanagon. By controlling the inflation pressure, at a constant velocity, while optimizing manifold vacuum, one should be able to reduce drag by 20% or more. If you then fixed the shape and made a mold, one could market a baggage extension which also reduce drag. Does require moving outside the original vehicle envelope! Frank Grunthaner |
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