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Old 05-29-2012, 11:00 AM   #6 (permalink)
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GasDwarf - '13 Volkswagen up! EcoFuel CNG
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Originally Posted by Pepperoni View Post
Is it a good idea to place some VGs in front of the windscreen wipers or is it better to make some kind of cover, as in the pic above?
It's fairly useless.
With the amount of pollen in the air these days, you get to see the aerodynamics at work.

@ 95kph / nearly 60mph, they don't come near the wipers / windscreen but are carried over the bubble of air there.
They start to lift when they're about 30-40cm away from the windscreen (about a foot to 1'4" ).
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