Date:         Wed, 9 Oct 2002 12:12:49 -0500
Reply-To:     Stan Wilder <wilden1@JUNO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Stan Wilder <wilden1@JUNO.COM>
Subject:      Re: Tire size vs. Engine RPM
Comments: To: al_knoll@PACBELL.NET
Content-Type: text/plain; charset=us-ascii

Wouldn't a chalk mark on the tire and a chalk mark on the pavement net
the same measurement?
Yes I know your kidding.

Stan Wilder

On Wed, 9 Oct 2002 09:49:30 -0700 pensioner <al_knoll@PACBELL.NET>
writes:
> Use the French method.  Using French's or some other less well
> calibrated
> mustard, place a substantial line of mustard in front of the rear
> wheel.
> Drive through the mustard until you have between two and three
> revolutions
> of the front wheels.   Using a steel tape measure, a laser
> interferometer or
> other suitable measuring device measure from the leading edge of the
> first
> mustard mark to the leading edge of the third mustard mark (two
> rotations).
> Accuracy to plus or minus one nanometer is not necessary.
>
> This will give tire rotation times 2 in your favorite unit of
> measure with
> enough accuracy to do practical calculations.
>
> NB:  Drive in a straight line when marking, preferably after warming
> up the
> normally inflated tires on your normally weighted vanagon.
>
> With the rollout thus determined you can use the T. Smith tool to do
> all
> sorts of calculations.
>
> A copy of the MS Excel gearing tool can be found on the alternate
> list
> (Yahoo Group Vanagon) or the Subaruvanagon group.
>
> Cheers,
>
> pensioner
>
>

________________________________________________________________
GET INTERNET ACCESS FROM JUNO!
Juno offers FREE or PREMIUM Internet access for less!
Join Juno today!  For your FREE software, visit:
http://dl.www.juno.com/get/web/.