X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imo-m24.mx.aol.com ([64.12.137.5] verified) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 1003787 for flyrotary@lancaironline.net; Wed, 15 Jun 2005 23:56:30 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.137.5; envelope-from=WRJJRS@aol.com Received: from WRJJRS@aol.com by imo-m24.mx.aol.com (mail_out_v38_r1.7.) id q.212.2ec2f8a (24895) for ; Wed, 15 Jun 2005 23:55:35 -0400 (EDT) From: WRJJRS@aol.com Message-ID: <212.2ec2f8a.2fe25236@aol.com> Date: Wed, 15 Jun 2005 23:55:34 EDT Subject: Re: [FlyRotary] For ED suggestion. To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1118894134" X-Mailer: 9.0 SE for Windows sub 5012 -------------------------------1118894134 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Ed, If I understand the possible location of the hot spot properly I have a suggestion. Since the rotors are new (and perhaps near max width) you might have had a side seal that was near the max allowable length that was wedgeing against the corner seals when heated. If the housings have been compressed/heat cycled as we know they have it could account for the "tightness" you noticed in the engine. The hot spot probably occurred right away but the toughness of the TES o-ring masked the problem? The side seal would only pinch at the smallest point in the housing. Just a thought, Bill Jepson -------------------------------1118894134 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
Ed,
 If I understand the possible location of the hot spot properly I=20= have=20 a suggestion. Since the rotors are new (and perhaps near max width) you migh= t=20 have had a side seal that was near the max allowable length that was wedgein= g=20 against the corner seals when heated. If the housings have been compressed/h= eat=20 cycled as we know they have it could account for the "tightness" you noticed= in=20 the engine. The hot spot probably occurred right away but the toughness of t= he=20 TES o-ring masked the problem? The side seal would only pinch at the smalles= t=20 point in the housing.
Just a thought,
Bill Jepson
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