<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Bruce<div><span class="Apple-tab-span" style="white-space:pre"> </span>Not only do racers put air dams on the front of cars nearly every car produced has one too. It is true that air getting under the car produces a disproportionate amount of the wind resistance. An air dam reduces the volume and creates a low pressure area. Anything that produces downforce increases drag.</div><div><br></div><div>Bill<br><div><div>On Apr 30, 2014, at 3:53 PM, Bruce Oblad wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">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.<div>
Bruce O.</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Apr 30, 2014 at 12:55 PM, Don Sherwood <span dir="ltr"><<a href="mailto:don@sherwoodfamily.net" target="_blank">don@sherwoodfamily.net</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-US" link="#0563C1" vlink="#954F72"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">And visibility by 90%.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><div><div style="border:none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> <a href="mailto:bmcu-bounces@autox.team.net" target="_blank">bmcu-bounces@autox.team.net</a> [mailto:<a href="mailto:bmcu-bounces@autox.team.net" target="_blank">bmcu-bounces@autox.team.net</a>] <b>On Behalf Of </b>R J DAVIS<br>
<b>Sent:</b> Wednesday, April 30, 2014 9:49 AM<br><b>To:</b> <a href="mailto:bmcu@autox.team.net" target="_blank">bmcu@autox.team.net</a><br><b>Subject:</b> [Bmcu] Increase Mileage<u></u><u></u></span></p></div></div><div class=""><p class="MsoNormal"><u></u> <u></u></p><div><p class="MsoNormal"><span style="font-family:"Calibri","sans-serif"">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%.<br>
<br>Roger D<u></u><u></u></span></p></div></div></div></div><br>_______________________________________________<br>
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