Date:         Tue, 26 Mar 2002 08:29:06 -0600
Reply-To:     Stan Wilder <wilden1@JUNO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Stan Wilder <wilden1@JUNO.COM>
Subject:      Re: Windage Tray 2000cc Air Cooled
Comments: To: gmbulley@BULLEY-HEWLETT.COM
Content-Type: text/plain; charset=us-ascii

I'm really looking forward to the Frank Grunthaner reply.
I would go along with your "fans" theory.
There is a hell of a lot of things going on in the internal engine
chamber that we don't even conceive of and will never be privileged to
see.

Stan Wilder

On Tue, 26 Mar 2002 06:57:28 -0500 "G. Matthew Bulley"
<gmbulley@BULLEY-HEWLETT.COM> writes:
> I've wondered the same thing. Having ripped apart and re-built a
> bunch
> of 914/912e motor, I was a little shocked to see no windage tray in
> the
> vanagon.
>
> My understanding of the function of the tray though went beyond just
> oil
> "sloshing" around, but was more to prevent the upper surface of the
> oil
> from forming "fans" of oil that followed the crank throws.
>
> These fans not only slowed the crank (if ever so slightly) but also
> created tiny foam bubbles in the oil, which essentially dropped the
> oil
> pressure/viscosity at the bearings. Why VW would eliminate it, one
> may
> never know.
>
>
> Developing business and guiding change since 1996,
>
> G. Matthew Bulley
> Bulley-Hewlett
> Corporate Communications
> Business: www.bulley-hewlett.com
> Alliance: www.ntara.com
> Phone: +1.919.658.1278
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM] On
> Behalf
> Of Stan Wilder
> Sent: Tuesday, March 26, 2002 3:03 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Windage Tray 2000cc Air Cooled
>
> I read your post On Longevity, Displacement, Efficiency and
> Technology
> in
> Conversions with great interest.
> I'm certainly not knowledgeable enough to contradict any thing you
> delivered to the archives.
> However I do have a serious question.
> You briefly mention *add a windage tray*.
> I've noted that the Porsche type IV uses a windage tray but I
> assumed it
> was basically because the sports cars are driven hard in corners
> and
> maneuvers. Assuming that they would be splashing oil into the
> cylinders.
> I have considered securing a windage tray to install in my 2000 cc
> type
> IV engine in the future if and when I split the case again.
> If having a windage tray in a big Westfalia vehicle has any
> advantages
> I'd be interested in knowing why and what the advantages of having
> one
> installed are.
>
> Stan Wilder
> 83 Air Cooled Westfalia
>