X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail14.syd.optusnet.com.au ([211.29.132.195] verified) by logan.com (CommuniGate Pro SMTP 5.0c1) with ESMTPS id 689579 for flyrotary@lancaironline.net; Thu, 01 Sep 2005 18:05:22 -0400 Received-SPF: none receiver=logan.com; client-ip=211.29.132.195; envelope-from=lendich@optusnet.com.au Received: from george (d58-104-232-31.dsl.nsw.optusnet.com.au [58.104.232.31]) by mail14.syd.optusnet.com.au (8.12.11/8.12.11) with SMTP id j81M4Vug016272 for ; Fri, 2 Sep 2005 08:04:34 +1000 Message-ID: <001301c5af41$64141560$1fe8683a@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Teflon O ring sizes. Date: Fri, 2 Sep 2005 08:06:22 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0010_01C5AF95.3514F140" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. ------=_NextPart_000_0010_01C5AF95.3514F140 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Lynn, Their right now thanks to Kelly and they look very impressive. Another thing I like about them is that you can't put them in inside out = and being round the silicone is protected with the Teflon completely. George ( down under) ----- Original Message -----=20 From: Lehanover@aol.com=20 To: Rotary motors in aircraft=20 Sent: Thursday, September 01, 2005 10:22 PM Subject: [FlyRotary] Re: Teflon O ring sizes. In a message dated 9/1/2005 2:46:44 AM Eastern Daylight Time, = lendich@optusnet.com.au writes: Now we just need to get Lynn, or Leon to install a set of these in = a race engine for a real test :-) I have yet to have a problem with a stock seal. The water ring I reuse = over and over. It gets to be too long after one cycle, so I cut a piece = out on the diagonal and put the joint at the top of the housing with a = drop of GE 100% silicone. Since the inner ring is cut through the intake = port area anyway, I just trim a bit from there.=20 Until I ran out of it, I used 18 gage Teflon insulated aircraft hookup = wire for the inner ring. I could use that stuff as many times as I = wanted to.=20 On the other hand, the stock seals are the minimum quality (typical = automotive thinking) that they can get away with, so the replacement = idea is not at all outlandish, if you have the sizes right. I have only = lost one set of rotor seals and that was from long time use of too small = an oil cooler.=20 That failure did not affect engine performance, but the oil would have = run out in short order. The smoke cloud was impressive. Lynn E. Hanover ------=_NextPart_000_0010_01C5AF95.3514F140 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Lynn,
Their right now thanks to Kelly and they look very = impressive.
Another thing I like about them is that you can't put them in = inside out=20 and being round the silicone is protected with the Teflon=20 completely.
George ( down under)
----- Original Message -----
From:=20 Lehanover@aol.com
Sent: Thursday, September 01, = 2005 10:22=20 PM
Subject: [FlyRotary] Re: Teflon = O ring=20 sizes.

In a message dated 9/1/2005 2:46:44 AM Eastern Daylight Time, lendich@optusnet.com.au=20 writes:
 =20 Now we just need to get Lynn, or Leon to install a set of these in a = race=20 engine for a real test :-)
 
I have yet to have a problem with a stock seal. The water ring I = reuse=20 over and over. It gets to be too long after one cycle, so I cut a = piece out on=20 the diagonal and put the joint at the top of the housing with a drop = of GE=20 100% silicone. Since the inner ring is cut through the intake port = area=20 anyway, I just trim a bit from there.
 
Until I ran out of it, I used 18 gage Teflon insulated aircraft = hookup=20 wire for the inner ring. I could use that stuff as many = times as I=20 wanted to.
 
On the other hand, the stock seals are the minimum quality = (typical=20 automotive thinking) that they can get away with, so the replacement = idea is=20 not at all outlandish, if you have the sizes right. I have only lost = one set=20 of rotor seals and that was from long time use of too small an oil = cooler.=20
 
That failure did not affect engine performance, but the = oil=20 would have run out in short order. The smoke cloud was = impressive.
 
Lynn E. Hanover
 
 
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