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Date:   Thu, 24 Apr 2003 15:20:36 -0700
Reply-To:   Mike Miller <mwmiller@CWNET.COM>
Sender:   Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:   Mike Miller <mwmiller@CWNET.COM>
Subject:   Re: Tyres and nitrogen
Comments:   To: John Rodgers <j_rodgers@charter.net>
In-Reply-To:   <3EA8643D.8060708@charter.net>
Content-type:   text/plain; charset="US-ASCII"

You'd have to run them at the same position as tire temps vary widely from corner to corner. That means separate runs and then you'd likely have different ambient temps. Lots of work.

Mike

On 4/24/03 3:25 PM, "John Rodgers" <j_rodgers@CHARTER.NET> wrote:

> Daryl, I would like to see the science behind that one. > > Maybe a definitive test at the track sometime when doing practice runs. > Run one tire with air, one with nitrogen. Begin the run with pressures > the same, the same tire make, model etc, same age, same wear (preferably > new to eliminate vagaries), Measure temp and pressure at start, and > again after a defined number of laps. That should do it. Nobody can ask > questions then. You have the hard data to back up the premise. Nothing > like hard data to back up your position. > > Yep, that would be a good one. > > John Rodgers > 88 GL Driver > > AA Transaxle wrote: > >> I am crew for a Midget race car and we use nitrogen because the tire >> pressures increase less when hot than putting "air" into them. Its a >> standard practice for hard core asphalt racing teams and does work. We >> don't care about long term degredation of the tires and it makes a couple >> of pounds difference in the pressures after a main event. >> My .02 >> Daryl of AA Transaxle >> Duvall, WA. (Seattle area) >> (425) 788-4070 >> 1-877-377-0773 (toll free) >> aatransaxle.com (web site) >> >> >> >


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