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Old 05-24-2020, 12:13 AM   #13 (permalink)
JulianEdgar
Master EcoModder
 
Join Date: Nov 2017
Location: Australia
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Caught up with air guide vanes on a Mercedes.




Inlet....



...versus outlet.



Note how duct converges.

Edit adition: these relative openings (three fingers entrance versus two fingers exit ) are what I settled on with my Edgarwit external air curtains on my Gen 1 Insight. I did a fair bit of throttle-stop testing before settling on those figures.
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Modifying the Aerodynamics of Your Road Car

A really good book that should be added to the library of everyone working in automotive aerodynamics, as well as those making car aero modifications at home. - Rob Palin, former Tesla aerodynamicist

Last edited by JulianEdgar; 05-24-2020 at 03:17 AM..
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