Date:         Wed, 10 May 2000 16:28:44 -0700
Reply-To:     Karl Wolz <wolzphoto@WORLDNET.ATT.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Karl Wolz <wolzphoto@WORLDNET.ATT.NET>
Subject:      Re: Speedo Accuracy Discussion
Comments: To: "robot ." <robot_works@HOTMAIL.COM>

Gotta take it to the speedo shop.  They'll put it on a treadmill and verify
the readout and give you correction factors.  My old speedo read about 20mph
high, but the odo was dead on.

Karl WOlz

----- Original Message -----
From: "robot ." <robot_works@HOTMAIL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Wednesday, May 10, 2000 12:03 PM
Subject: Speedo Accuracy Discussion


> Ok.. the pot the other day about speedometer operation has intrigued me.
> Rotating a magnet in front of a jeweled pivot Aluminum disk...
> Well, I have no idea of the electro-magnetic effects on Aluminum, so I
will
> buy that one. BUT... That tells me the odometer can be right on yet the
> Speedo off. Correct?
> Why I think of these things is in my daily 51 mile commute each way to
work
> in the Bay area, the odometer readings for both my famed reliable Toyota
PU
> and the Vanagon are dead on for  the entire length of the trip. In other
> words, it's 51 miles whichever vehicle I take to work. I have also used
the
> milage markers to confirm that yes the vanagon is reasonably accurate in
the
> odometer readings. But the difference in driving conditions is remarkable.
> With the Toyota, 75 to 80 mph (indicated) keeps me in the fast lane, top
5%
> of traffic. 75 to 80 mph (indicated) in the Vanagon keeps me in pace with
> the second to third lane traffic being passed by lots of vehicles. Does
this
> make sense?
> So without a stopwatch, how would you confirm the speedo accuracy? I
suspect
> there isn't a way but just asking. And how would you calibrate the speedo
on
> the van?
>
> tim o'brien
> 84 WasserBoxer
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