Return-Path: Received: from fed1rmmtao11.cox.net ([68.230.241.28] verified) by logan.com (CommuniGate Pro SMTP 4.2.9) with ESMTP id 710088 for flyrotary@lancaironline.net; Sun, 06 Feb 2005 02:58:11 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.241.28; envelope-from=daveleonard@cox.net Received: from davidandanne ([68.101.147.215]) by fed1rmmtao11.cox.net (InterMail vM.6.01.04.00 201-2131-117-20041022) with SMTP id <20050206075740.TYXV25487.fed1rmmtao11.cox.net@davidandanne> for ; Sun, 6 Feb 2005 02:57:40 -0500 From: "DaveLeonard" To: "Rotary motors in aircraft" Subject: RE: [FlyRotary] Re: exhaust drift Date: Sat, 5 Feb 2005 23:57:48 -0800 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0010_01C50BDE.7E53E600" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) In-Reply-To: X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_0010_01C50BDE.7E53E600 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit [FlyRotary] Re: Performance coatings- bearing damage?TOT hovers around 900C (1600F) Dave Leonard That is very interesting and surprising. High temperature visco-elastic creep. What is the TOT? I wouldn't have thought it high enough; but in any case, it suggests that intergranular stress corrosion of the SS could also be ocurring. It may be good to inspect the hottest portions of that pipe fairly frequently. Al ------=_NextPart_000_0010_01C50BDE.7E53E600 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable [FlyRotary] Re: Performance coatings- bearing = damage?
TOT=20 hovers around 900C (1600F)
 
Dave=20 Leonard

 

That is very = interesting and=20 surprising.  High temperature visco-elastic creep.  What is = the=20 TOT?  I wouldn’t have thought it high enough; but in any = case, it=20 suggests that intergranular stress corrosion of the SS could also be=20 ocurring.  It may be good to inspect the hottest portions of that = pipe=20 fairly frequently.

 

Al

 

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