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Old 09-25-2014, 07:00 PM   #61 (permalink)
aerohead
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Battle Mountain

Quote:
Originally Posted by godscountry View Post
One of the bike racers at Battle mountain,Nevada was saying how critical the wheel openings are to the overall drag of the vehicle,don't laugh,these bicycles hit 80 plus mph and they're wheel openings are in the mm.So a car or truck or streamlined motorcycle,I would say it would have a big effect as your speed gets higher.Some of these streamlined motorcycles might pick up a few mpg's just by better sealing the wheel openings and getting rid of some of that dirty air.
'Georgi',designer of the VARNA series of IHPVA racers told us that the 1/4-inch gap between the body and wheels constituted 50% of the bikes drag.

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