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Date:         Wed, 24 Oct 2001 17:38:00 -0700
Reply-To:     mike miller <mwmiller@CWNET.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         mike miller <mwmiller@CWNET.COM>
Subject:      Re: speedo/odo error confusion
Comments: To: Joe Romas <jromas@columbus.rr.com>
In-Reply-To:  <013401c15ce2$9bfd5640$035a5a5a@joe>
Content-type: text/plain; charset="US-ASCII"

Even if it's wrong, it would be consistently wrong.

Mike

I think.

David?

> From: Joe Romas <jromas@COLUMBUS.RR.COM> > Reply-To: Joe Romas <jromas@COLUMBUS.RR.COM> > Date: Wed, 24 Oct 2001 19:21:28 -0400 > To: vanagon@GERRY.VANAGON.COM > Subject: Re: speedo/odo error confusion > > I would venture that the wrong spedo has been put in your van somewhere in > the past. There's a little number on the bottom of the face. My 84 gl is > "805" and it's a VDO brand. It has something to do with your problems. Maybe > others will know more about the numbers. > > Joe > > ----- Original Message ----- > From: "Richard A. Jones" <jones@COYOTE.COLORADO.EDU> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Wednesday, October 24, 2001 6:47 PM > Subject: speedo/odo error confusion > > >> I just returned from a 3100 miles trip in El Jefe. Well, >> 3100 according to its speedo, or rather its "odo".... >> >> I've know the speedo reads high from some time. Then >> I watched the odometer between some mile posts and >> decided it was high, too. I thought it was gear driven >> and should be OK even if the speedo was off because of >> the calibration of the spring. What do I know? >> >> I have the stock size tires--185 R 14--Michelin Agilis 61s. >> >> Then I decided to take advantage of I-70 which starts >> from I-15 in Utah, with mileposts to the east. >> >> Here's what I recorded >> my trip odo I-70 milepost >> 77.8 0 >> 186.2 100 >> 292.0 200 >> 323.0 230 (Colorado state line) >> >> Converting to percentages: >> 8.4% >> 7.1% >> 6.6% >> >> So if I drove an arbitrarily large number of miles my >> odo error would be arbitrarily small? What's going on? >> Why should the odo error not be roughly constant. >> >> The only variable I can think of is the day started >> cool and warmed up as I drove, but only cool/warm, >> not cold/hot. >> >> Can anyone explain this? >> >> [Trip report and photos to come later....] >> >> Richard A. Jones >> Boulder, Colorado >> '81 Vanagon Mr Bus >> '87 Syncro Westy El Jefe >> >


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