[SEL] RE:piston ring upside down

ED edstoller at earthlink.net
Thu Nov 11 05:58:54 PST 2004


Thanks Graham,

Tom got me an answer right away,so I put the piston together and stored it
for now. Knowing the reason helps me remember the details. The way I
understand it, the bevel on top spreads the oil on the up ( in ) stroke and
the sharp edge wipes the oil on the down (out ) stroke.

Ed Stoller
New Fairfield, CT


----- Original Message ----- 
From: "Graham Harris" <ozengine at yahoo.com.au>
To: <sel at lists.stationary-engine.com>
Sent: Wednesday, November 10, 2004 9:54 PM
Subject: [SEL] RE:piston ring upside down


> G'day Ed
>
> I had this dilemma just a few weeks ago. I dunno
> whether you've had other replies, but my thoughts
> directed me to place the lower oil ring with the bevel
> facing toward the top of piston.
>
> I reckoned that on the piston travel downward, a pool
> of oil at the bevel would coat the cylinder and the
> compression rings would receive that oil next in line.
> I dunno what happens on the up stroke, but my engine
> ran 2 days non stop at the Oz Ronnie Rally. Someone
> must know for sure though. I could have a look at my
> cooper-stover CT2, but I think I've got 3 standard
> (comp) rings anyway!
>
>
> Cheers
>
> Graham in Oz
>
>
> Date: Mon, 8 Nov 2004 15:32:24 -0500
> From: "ED" <edstoller at earthlink.net>
> Subject: [SEL] Piston Ring Upside down
> To: <stationary-engine at oldengine.org>,
> "stationary-engine at atis.net"
> <sel at lists.stationary-engine.com>
> Message-ID: <002d01c4c5d2$1029dec0$05a4f504 at x8h7l9>
> Content-Type: text/plain; charset="iso-8859-1"
>
> I want to put the rings back on the piston of my
> Stover CT2 and
> the bottom, ( oil ) ring has a bevel on one side and a
> sharp edge
> on the other.  Does anybody know if the bevel goes
> towards the
> top of the piston or towards the skirt.
>
> Ed Stoller
> New Fairfield, CT
>
>
> Find local movie times and trailers on Yahoo! Movies.
> http://au.movies.yahoo.com
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