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aerohead · 12-10-2008, 03:37 PM

Had the designers of the vent had to design for houses that move at 100-km/h they would have discovered that their creation had about the highest aerodynamic resistance of any form they could have conceived of.The most basic fluids book would illustrate the extreme vena-contrata entry losses associated with a design like the one depicted.Better it remain on a home rather than a car. If you want to defeat the whole purpose of a grille-block,this would be the one to do.

12-10-2008, 03:37 PM	#8 (permalink)
aerohead Master EcoModder Join Date: Jan 2008 Location: Sanger,Texas,U.S.A. Posts: 3,975 Thanks: 1,179 Thanked 807 Times in 469 Posts	crawl-space ventilator Had the designers of the vent had to design for houses that move at 100-km/h they would have discovered that their creation had about the highest aerodynamic resistance of any form they could have conceived of.The most basic fluids book would illustrate the extreme vena-contrata entry losses associated with a design like the one depicted.Better it remain on a home rather than a car. If you want to defeat the whole purpose of a grille-block,this would be the one to do.