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Re: TF rear axle ratios/GPS/Cruising speed

To: Bob Howard <mgbob@juno.com>
Subject: Re: TF rear axle ratios/GPS/Cruising speed
From: Skip Kelsey <kelsey@shadetreemotors.com>
Date: Thu, 28 Aug 2003 15:39:06 -0700
Bob:

The mechanics are still the same. I would keep it at 4000 or less for 
extended driving.

Skip,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,


At 10:23 AM 8/28/03 -0400, Bob Howard wrote:
>Skip,
>   Thanks for the exact RPM for 2550 ft/min.  4130 seems a small %
>different from 4000 though.  Carl Cedarstrand, in his booklet about gear
>exchanges, that some XPAG engines driven at high RPM over long distances
>experienced premature wear.  Is this still a consideration with bearings
>and the oils available today?
>Bob
>
>
>On Wed, 27 Aug 2003 08:56:08 -0700 Skip Kelsey
><kelsey@shadetreemotors.com> writes:
> > Bob:
> >
> > 2550 ft. per min. of piston speed equates to 4130 RPM in the Xpag
> > and Xpeg  engine.This should not be exceeded for long periods of time
>if you
> > want  longevity of your engine. You can safely cruise all day at 4000
>RPM
> > with out problems.>
> > Skip
> > Kelsey................................................................

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