Return-Path: Received: from smtp012.mail.yahoo.com ([216.136.173.32] verified) by logan.com (CommuniGate Pro SMTP 4.2.8) with SMTP id 621951 for flyrotary@lancaironline.net; Tue, 25 Jan 2005 18:35:16 -0500 Received-SPF: none receiver=logan.com; client-ip=216.136.173.32; envelope-from=prvt_pilot@yahoo.com Received: from unknown (HELO stevehome) (prvt?pilot@24.136.242.117 with login) by smtp012.mail.yahoo.com with SMTP; 25 Jan 2005 23:34:44 -0000 Reply-To: From: "Steve Brooks" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: oil analysis results Date: Tue, 25 Jan 2005 18:35:14 -0500 Message-ID: <015d01c50336$85d519e0$6401a8c0@workgroup.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_015E_01C5030C.9CFF11E0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook CWS, Build 9.0.6604 (9.0.2911.0) Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 This is a multi-part message in MIME format. ------=_NextPart_000_015E_01C5030C.9CFF11E0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit MessageHas anyone else had oil analysis done on oil changed from a "normal" rotary engine ? I wouldn't expect any more fuel infiltration on a rotary than a piston engine, but maybe there is more. Who knows. Steve Brooks -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Russell Duffy Sent: Tuesday, January 25, 2005 3:27 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: oil analysis results Me too. My rough guestimate was that he was showing about 12 times more fuel polution than he should have; doesn't this make us all worry about viscosity, if that is true ? Or, did I just misguestimate ? jofarr As I mentioned before, I don't think you can put any stock in the fuel content showed, except that it's the only indication of a problem. The side seals on the bad rotor are smashed into the side of the rotor, so there's NO seal at all. When compression starts, a portion of the fuel/air mixture is pushed into the crankcase (for lack of a better term). Rusty (It's hard to start a Trane) ------=_NextPart_000_015E_01C5030C.9CFF11E0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
Has=20 anyone else had oil analysis done on oil changed from a "normal" rotary = engine=20 ?  I wouldn't expect any more fuel infiltration on a rotary than a = piston=20 engine, but maybe there is more.  Who knows.
 
 
Steve=20 Brooks
 
-----Original Message-----
From: Rotary motors in = aircraft=20 [mailto:flyrotary@lancaironline.net]On Behalf Of Russell=20 Duffy
Sent: Tuesday, January 25, 2005 3:27 PM
To: = Rotary=20 motors in aircraft
Subject: [FlyRotary] Re: oil analysis = results=20

Me = too.  My rough=20 guestimate was that he was showing about 12 times more fuel polution = than he=20 should have; doesn't this make us all worry about viscosity, if that = is true=20 ?  Or, did I just misguestimate ?
jofarr 
 
As I mentioned before, I don't think you can = put any=20 stock in the fuel content showed, except that it's the only indication = of a=20 problem.  The side seals on the bad rotor are smashed into the=20 side of the rotor, so there's NO seal at = all.  When=20 compression starts, a portion of the fuel/air mixture is pushed = into the=20 crankcase (for lack of a = better term).
 
Rusty (It's hard to start a=20 Trane)  
 
 
= ------=_NextPart_000_015E_01C5030C.9CFF11E0--