[Bmcu] Increase Mileage

[Bruce Oblad]

My understanding is that more than half of the aero drag on cars is
underneath.  Reduce turbulence there and you'll really see a beneficial
effect.  This is why racers make the bottom smooth and put splitters or air
dams on the front.  Diffusers under the back cause a pressure drop under
the rear of the car and add downforce to the back wheels.  This is good for
better traction in the corners, but doesn't help fuel economy.  It actually
increases drag a bit.
Bruce O.


On Wed, Apr 30, 2014 at 12:55 PM, Don Sherwood <don at sherwoodfamily.net>wrote:

> And visibility by 90%.
>
>
>
> *From:* bmcu-bounces at autox.team.net [mailto:bmcu-bounces at autox.team.net] *On
> Behalf Of *R J DAVIS
> *Sent:* Wednesday, April 30, 2014 9:49 AM
> *To:* bmcu at autox.team.net
> *Subject:* [Bmcu] Increase Mileage
>
>
>
> Here is a picture of what one of our members is doing to increase his gas
> mileage and decrease driving costs.  This aerodynamic windshield is
> predicted to decrease drag by 50%.
>
> Roger D
>
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