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Old 05-15-2020, 03:41 AM   #35 (permalink)
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Originally Posted by MHR1294 View Post
Best images I can find, it's not easy to see it's shape in Yellow

Thanks for that.

My guess - and that's all it is - was that the slots were for changing flow patterns to reduce dirt deposition, as you have said.

It's not often mentioned in discussion groups, but there is a lot of professional aerodynamic tech literature on 'soiling' - how dirt covers cars. In fact I was reading something the other day that implied the air curtains on trucks are largely for this - to keep the doors clean so signwriting isn't obscured. Looking at the trucks I've seen since, the air curtains do all seem to be aimed at the doors...
Modifying the Aerodynamics of Your Road Car

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