X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [24.25.9.103] (HELO ms-smtp-04-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 5.0.8) with ESMTP id 988812 for flyrotary@lancaironline.net; Fri, 17 Feb 2006 09:38:49 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.103; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-025-165.carolina.res.rr.com [24.74.25.165]) by ms-smtp-04-eri0.southeast.rr.com (8.13.4/8.13.4) with SMTP id k1HEc3EA010063 for ; Fri, 17 Feb 2006 09:38:05 -0500 (EST) Message-ID: <00fc01c633cf$7ef8cfc0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Another rotary failure Date: Fri, 17 Feb 2006 09:36:10 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00F9_01C633A5.95E26360" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_00F9_01C633A5.95E26360 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Monday, February 13, 2006 4:34 PM Subject: [FlyRotary] Re: Another rotary failure Mazda's new 2mm seal design is 2 piece (introduced in 2004 I think), = the 3 piece is obsolete. It is quite possible that Chuck got his prior = to the new Mazda design so he could have the aftermarket parts. RWS = does not furnish seals to Mazdatrix so guess they would have to be = Hurley or Atkins (same material AFIK). =20 Hi Tracy, Hopefully Chuck can clear this up for us, as well as providing many = more answers once he gets into the engine. I would probably be more = suspicious of the "aftermarket" seals than the stock ones, mostly = because we don't know where they came from, or should I say we know = where they didn't come from :-) =20 Does Chuck run the oil injection pump, or pre-mix? Losing oil flow to = one rotor would eventually lead to loss of compression, though I don't = think it would happen that suddenly. =20 In trying to think of recent problems, the only one I can recall that = didn't have a very clear cause was Ed's tailwind to Shady Bend issue. I = recall there was a theory of ingesting something, but it was never = proven. Other than that, Paul's accident wasn't absolutely proven, but = I don't think anyone blames the engine itself. Any others? =20 Again, the lack of unexplainable "engine" failures is good news, but = that fact is hidden under a bunch of "engine installation" failures = (ahem, like mine). =20 Rusty (RV-8 QB delivery finally being arranged) ------=_NextPart_000_00F9_01C633A5.95E26360 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
 
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Monday, February 13, 2006 = 4:34=20 PM
Subject: [FlyRotary] Re: = Another rotary=20 failure

Mazda's new 2mm seal design is 2 piece (introduced in 2004 I = think), the=20 3 piece is obsolete.   It is quite possible that Chuck got = his prior=20 to the new Mazda design so he could have the aftermarket=20 parts.   RWS does not furnish seals to Mazdatrix = so guess=20 they would have to be Hurley or Atkins  (same material=20 AFIK).   
 
Hi=20 Tracy,
 
Hopefully Chuck can clear this up for us, as well as = providing many=20 more answers once he gets into the engine.  I would probably be = more=20 suspicious of the "aftermarket" seals than the stock ones, = mostly=20 because we don't know where they came from, or should I say we know = where they=20 didn't come from :-)   
 
Does=20 Chuck run the oil injection pump, or pre-mix?  Losing oil = flow to=20 one rotor would eventually lead to loss of compression, though I = don't=20 think it would happen that suddenly.  =  
 
In=20 trying to think of recent problems,  the only one I can recall that didn't have a = very clear=20 cause was Ed's tailwind to Shady Bend issue.  I recall there was = a theory=20 of ingesting something, but it was never proven.  Other than = that, Paul's=20 accident wasn't absolutely proven, but I don't think anyone blames the = engine=20 itself.  Any others? 
 
Again, the lack of unexplainable "engine" failures = is good news,=20 but that fact is hidden under a bunch of "engine = installation"=20 failures (ahem, like mine).  
 
Rusty (RV-8 QB delivery finally being=20 arranged)
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