X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: <13brv3@bellsouth.net> Received: from imf16aec.mail.bellsouth.net ([205.152.59.64] verified) by logan.com (CommuniGate Pro SMTP 5.0c1) with ESMTP id 688497 for flyrotary@lancaironline.net; Wed, 31 Aug 2005 17:51:34 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.64; envelope-from=13brv3@bellsouth.net Received: from ibm58aec.bellsouth.net ([65.6.194.9]) by imf16aec.mail.bellsouth.net with ESMTP id <20050831215050.GNX388.imf16aec.mail.bellsouth.net@ibm58aec.bellsouth.net> for ; Wed, 31 Aug 2005 17:50:50 -0400 Received: from rd ([65.6.194.9]) by ibm58aec.bellsouth.net with ESMTP id <20050831215049.FMZB24572.ibm58aec.bellsouth.net@rd> for ; Wed, 31 Aug 2005 17:50:49 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Rational for TES "O" Rings Date: Wed, 31 Aug 2005 16:50:50 -0500 Message-ID: <000001c5ae76$0d8b8af0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C5AE4C.24B582F0" 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 V6.00.2900.2527 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C5AE4C.24B582F0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Granted Rusty...... No seal material will save you when things get hot enough=20 to melt the bearing material !! We are talking oil temps probably no = more than=20 the mid to high two hundred F range where the Viton seals start to = break down=20 and harden.......IMHO=20 =20 Hi Kelly, =20 I found the message I was looking for, and here's a link to the archive: http://snipurl.com/oil_temp_failures =20 Maybe this will safe Lynn some typing. If I understand correctly, he's saying that the failure from overheating the oil will be a rotor = bearing. I "assume" this is with stock Mazda oil seals, and not even Viton. =20 =20 Don't get me wrong, I don't see any reason NOT to use the TES o-rings, = and I'll probably plan on using them for the next engine I assemble. In the mean time, it would be great to hand a set of these to Lynn or Leon, and = let them give us a professional report. Both of them assemble more engines = in a year than any of us will in a lifetime, and their engines get run hard, = so it would make a good test. I would happily contribute toward a set of o-rings that we could GIVE to either of those guys. =20 =20 Cheers, Rusty (rounding up all the RV-3 stuff)=20 =20 =20 ------=_NextPart_000_0001_01C5AE4C.24B582F0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
  Granted = Rusty......=20 No seal material will save you when things get hot enough 
 to=20 melt the bearing material !! We are talking oil temps probably no more = than 
 the mid to high two hundred F range where the = Viton=20 seals start to break down 
 and harden.......IMHO 
 
 Hi=20 Kelly,
 
I found the message I was looking for, and = here's a=20 link to the archive:
http://snipurl.com/oil_temp= _failures
 
Maybe this will safe Lynn some typing.  = If I=20 understand correctly, he's saying that the failure from overheating the = oil will=20 be a rotor bearing.  I "assume" this is with stock Mazda oil seals, = and not=20 even Viton. 
 
Don't get me wrong, I don't see any = reason NOT to=20 use the TES o-rings, and I'll probably plan on using them for the = next=20 engine I assemble.  In the mean time, it would be great to = hand a set=20 of these to Lynn or Leon, and let them give us a professional = report.  Both=20 of them assemble more engines in a year than any of us will in a = lifetime, and=20 their engines get run hard, so it would make a good test.  I = would=20 happily contribute toward a set of o-rings that we could GIVE to = either of=20 those guys.  
 
Cheers,
Rusty (rounding up all the RV-3 stuff)=20
 
 
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