X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [65.54.250.75] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1131633 for flyrotary@lancaironline.net; Mon, 29 May 2006 09:42:52 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.54.250.75; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Mon, 29 May 2006 06:42:06 -0700 Message-ID: Received: from 4.171.150.176 by BAY115-DAV3.phx.gbl with DAV; Mon, 29 May 2006 13:42:03 +0000 X-Originating-IP: [4.171.150.176] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] More RTV problems Date: Mon, 29 May 2006 09:41:51 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_006E_01C68304.1CAE4A50" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.20.0026.0800 Seal-Send-Time: Mon, 29 May 2006 09:41:51 -0400 X-OriginalArrivalTime: 29 May 2006 13:42:06.0818 (UTC) FILETIME=[AD1F5C20:01C68325] This is a multi-part message in MIME format. ------=_NextPart_000_006E_01C68304.1CAE4A50 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi George, I like Permatex Ultra Gray myself but the problem may be technique = rather than the material. I once used red high temp RTV when I was out = of Gray with no problems. Any excess usually squeezes out and remains = as a small ring on the inside of the drive. I've never seen it break = loose in an amount that could plug an oil filter. How much are you = using? It only takes a little to do the job. The total amount used to = install the drive should be insufficient to plug an oil filter. As I recall, you have a separate oil system for your drive. Do you also = have a separate pressure gauge? (highly recommended if anyone decides = to do this). If the oil pressure was still OK, there is no chance that = this caused any drive damage. The sun gear would be the most likely to = show signs of distress but also check the planet gears for signs of = abnormal needle bearing play. Tracy =20 ----- Original Message -----=20 From: George Graham=20 To: Rotary motors in aircraft=20 Sent: Sunday, May 28, 2006 7:52 PM Subject: [FlyRotary] More RTV problems To: Tracy Crook, My gearbox oil filter was plugged up with red high temp RTV that I used to seal my RD-1A gearbox. I have it apart, and it looks fine internally, would you suggest = Permatex or some other gasket sealant? Thank you, George Graham Mazda Rx7ez N4449E Sarasota Florida -SRQ=20 -------------------------------------------------------------------------= ----- Be a chatter box. Enjoy free PC-to-PC calls = with Yahoo! Messenger with = Voice. ------=_NextPart_000_006E_01C68304.1CAE4A50 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi George,
  I like Permatex Ultra Gray myself but the problem may=20 be technique rather than the material.   I once used red = high=20 temp RTV when I was out of Gray with no problems.   Any excess = usually=20 squeezes out and remains as a small ring on the inside of the = drive.  I've=20 never seen it break loose in an amount that could plug an oil = filter.  How=20 much are you using?   It only takes a little to do the = job.  The=20 total amount used to install the drive should be insufficient = to plug=20 an oil filter.
 
As I recall, you have a separate oil system for your drive.  = Do you=20 also have a separate pressure gauge?  (highly recommended if anyone = decides=20 to do this).  If the oil pressure was still OK, there is no = chance=20 that this caused any drive damage.  The sun gear would be the most = likely=20 to show signs of distress but also check the planet gears for signs=20 of abnormal needle bearing play.
 
Tracy 
----- Original Message -----
To: Rotary motors in = aircraft
Sent: Sunday, May 28, 2006 7:52 = PM
Subject: [FlyRotary] More RTV=20 problems

To: Tracy=20 Crook,


         My = gearbox=20 oil filter was plugged up with red high temp RTV
that I used to = seal my=20 RD-1A gearbox.

I have it apart, and it looks fine internally, = would you=20 suggest Permatex
or some other gasket sealant?

Thank=20 you,


George Graham
Mazda Rx7ez N4449E
Sarasota = Florida -SRQ=20

Be a chatter box. Enjoy free=20 PC-to-PC calls with Yahoo! Messenger with=20 Voice.
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