X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao102.cox.net ([68.230.241.44] verified) by logan.com (CommuniGate Pro SMTP 5.2.1) with ESMTP id 2817249 for flyrotary@lancaironline.net; Tue, 25 Mar 2008 11:38:21 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.44; envelope-from=alventures@cox.net Received: from fed1rmimpo03.cox.net ([70.169.32.75]) by fed1rmmtao102.cox.net (InterMail vM.7.08.02.01 201-2186-121-102-20070209) with ESMTP id <20080325153743.ZXTQ13697.fed1rmmtao102.cox.net@fed1rmimpo03.cox.net> for ; Tue, 25 Mar 2008 11:37:43 -0400 Received: from BigAl ([72.192.137.74]) by fed1rmimpo03.cox.net with bizsmtp id 5Tdi1Z0041cVYgg04Tdis8; Tue, 25 Mar 2008 11:37:42 -0400 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Using OMP rotor housing only Date: Tue, 25 Mar 2008 07:40:32 -0800 Message-ID: <000201c88e8e$8f844650$6401a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0003_01C88E4B.81610650" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 This is a multi-part message in MIME format. ------=_NextPart_000_0003_01C88E4B.81610650 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable I've been considering dissing the OMP and going to premix. My engine is currently off the plane for plumbing changes (oil/water xchanger = install) and rework of wing-root radiator air inlet. This may be a good time. Is = it as simple as removing the OMP, blanking it off with a plate, and closing = the ports in the housing nozzles with JB Weld? =20 Al =20 -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Lehanover@aol.com Sent: Tuesday, March 25, 2008 7:18 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Using OMP rotor housing only =20 The engine will run for some time with the OMP not doing anything. Some = of my gifted engines have had the hoses broken off. There will be a slight amount of oil added from the oil scrapers on the rotor sides not being perfect. The scrapers will also scrape off unburned fuel and mix it with = the crankcase oil. High oil temps will remove most of that fuel through the breather. Note that crankcase breather gases are explosive. A good = reason to smell the dipstick when ever it is out.=20 =20 So, as the engine wears out the scrapers it starts needing less top oil. = =20 The only downside to injecting into the housings is poor distribution. = It leaves a boat wake looking stain on the chrome. So, it looks to me like = some of that microscopic amount of oil is discarded without helping anyone. = It seems to me that the best case is the premix. If I were to use the OMP, = I would drop it all in behind the Throttle Body, or into each throat on a carb. Or if you are a purist, into the float bowl. =20 =20 Years ago synthetic crank case oil was specifically not recommended by Mazda. (because of gumming) =20 Lynn E. Hanover =20 =20 =20 =20 In a message dated 3/25/2008 10:43:57 A.M. Eastern Daylight Time, ALVentures@cox.net writes: So it would also seem to me that using the OMP with 2-cycle oil in this scenario is significantly different than pre-mix. But is it as = effective, more effective, or worse?? _____ =20 Create a Home Theater Like the Pros. Watch the video on AOL Home. ------=_NextPart_000_0003_01C88E4B.81610650 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

I’ve = been considering dissing the OMP and going to premix. My engine is currently = off the plane for plumbing changes (oil/water xchanger install) and rework of = wing-root radiator air inlet. This may be a good time. Is it as simple as = removing the OMP, blanking it off with a plate, and closing the ports in the = housing nozzles with JB Weld?

Al

-----Original = Message-----
From: Rotary motors in = aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Lehanover@aol.com
Sent: Tuesday, March 25, = 2008 7:18 AM
To: Rotary motors in = aircraft
Subject: [FlyRotary] Re: = Using OMP rotor housing only

The engine will run for some time with the OMP not doing anything. Some = of my gifted engines have had the hoses broken off. There will be a slight = amount of oil added from the oil scrapers on the rotor sides not being perfect. = The scrapers will also scrape off unburned fuel and mix it with the = crankcase oil. High oil temps will remove most of that fuel through the breather. = Note that crankcase breather gases are explosive. A good reason to smell the dipstick when ever it is out.

So, as the engine wears out the scrapers it starts needing less top oil. =

The only downside to injecting into the housings is poor distribution. It = leaves a boat wake looking stain on the chrome. So, it looks to me like some of = that microscopic amount of oil is discarded without helping anyone. It seems = to me that the best case is the premix. If I were to use the OMP, I would drop = it all in behind the Throttle Body, or into each throat on a carb. Or if you = are a purist, into the float bowl.

Years ago synthetic crank case oil was specifically not recommended by = Mazda. (because of gumming)

Lynn E. Hanover

In a message dated 3/25/2008 10:43:57 A.M. Eastern Daylight Time, = ALVentures@cox.net writes:

So it would also seem to me that using the OMP with 2-cycle oil in this = scenario is significantly different than pre-mix. But is it as effective, = more effective, or worse??

Create a Home = Theater Like the Pros. Watch the video on AOL Home.

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