X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from EXHUB003-3.exch003intermedia.net ([207.5.74.110] verified) by logan.com (CommuniGate Pro SMTP 5.2.13) with ESMTPS id 3564283 for flyrotary@lancaironline.net; Mon, 30 Mar 2009 08:35:40 -0400 Received-SPF: none receiver=logan.com; client-ip=207.5.74.110; envelope-from=jwhaley@datacast.com Received: from EXVMBX003-5.exch003intermedia.net ([207.5.74.45]) by EXHUB003-3.exch003intermedia.net ([207.5.74.110]) with mapi; Mon, 30 Mar 2009 05:34:29 -0700 From: Jeff Whaley To: Rotary motors in aircraft Date: Mon, 30 Mar 2009 05:35:04 -0700 Subject: RE: Oil Leaks and cotton string ... was RE: It's quiet Thread-Topic: Oil Leaks and cotton string ... was RE: It's quiet Thread-Index: AcmpTuwlw2ZjOx+8QtKwKWMaudf3+AH5CeMg Message-ID: References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: multipart/alternative; boundary="_000_C03ABB0A7362B84BB53D544B3C305E0ED14AD3181FEXVMBX0035exc_" MIME-Version: 1.0 --_000_C03ABB0A7362B84BB53D544B3C305E0ED14AD3181FEXVMBX0035exc_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Steve, I was wondering where you imbedded the string ... inside the bolt= holes, outside the bolt holes or weaved in and out around the bolt holes i= n an "S" or snake pattern? I redid my oil pan with Ultra-grey but no string= ; however, if I ever take it all apart again I'd consider your method. Jeff From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Beh= alf Of Mark Steitle Sent: Friday, March 20, 2009 7:24 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: It's Quiet Thanks for the tip Steve. Mark On Thu, Mar 19, 2009 at 9:16 PM, Steven Boese > wrote: All, For what it is worth, I had a slow oil leak between the oil pan or the bloc= k and the mounting plate the first time I assembled it in spite of cleaning= the surfaces well. The second time I put things together, after cleaning = all the mating surfaces several times with brake cleaner, I embedded a ligh= t cotton string in the Ultra-Grey on both sides of the mounting plate. Thi= s allowed me to tighten the oil pan bolts without squeezing out all the sea= lant from the joint. This would be somewhat similar to the use of a silk t= hread between the case halves on a conventional aircraft engine. I realiz= e that this is a limited data set (one instance) but at least I don't have = oil leaks in this area so far. Steve Boese RV6A, 13B NA, EC2, RD1A --_000_C03ABB0A7362B84BB53D544B3C305E0ED14AD3181FEXVMBX0035exc_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Steve, I was wondering where you imbedded the string R= 30; inside the bolt holes, outside the bolt holes or weaved in and out around t= he bolt holes in an “S” or snake pattern? I redid my oil pan with Ultra-grey but no string; however, if I ever take it all apart again I̵= 7;d consider your method.

Jeff

 

From: Rotary motors= in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Mark Stei= tle
Sent: Friday, March 20, 2009 7:24 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: It's Quiet

 

Thanks for the tip Stev= e.

Mark

On Thu, Mar 19, 2009 at 9:16 PM, Steven Boese <sboese@uwyo.edu> wrote:

All,

 <= /p>

For what it is worth, I h= ad a slow oil leak between the oil pan or the block and the mounting plate the f= irst time I assembled it in spite of cleaning the surfaces well.  The secon= d time I put things together, after cleaning all the mating surfaces several times with brake cleaner, I embedded a light cotton string in the Ultra-Gre= y on both sides of the mounting plate.  This allowed me to tighten the oil = pan bolts without squeezing out all the sealant from the joint.  This woul= d be somewhat similar to the use of a silk thread between the case halves on a conventional  aircraft engine.  I realize that this is a limited = data set (one instance) but at least I don’t have oil leaks in this area s= o far.

 <= /p>

Steve Boese

RV6A, 13B NA, EC2, RD1A

 <= /p>

 

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