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Re: Power vs. ecomomy
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Posted by mjbrown on September 13, 2006 at 10:26:38 from (128.253.49.237):
In Reply to: Re: Power vs. ecomomy posted by Brian in NY on September 13, 2006 at 08:27:11:
According to "Myth Busters" the tailgate up = more drag perception is a myth. They tested two identical new pickups and got thirty miles more per tank of fuel with the gate up. They then contacted engineers at GM who eplained why. They then put a pick up model in a tank of moving water and sprinkled oat meal into it to show how air swirls in the pick up bed and creates a sort of rolling bubble that makes it more not less areodynamicly efficient. You can conduct your ouwn experiment but putting a bunch of trash in your truck and drive down the road and observe how it swirles around.;)
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