X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp0.av-mx.com ([137.118.16.56] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3873127 for flyrotary@lancaironline.net; Sat, 03 Oct 2009 08:01:58 -0400 Received-SPF: pass receiver=logan.com; client-ip=137.118.16.56; envelope-from=res12@fairpoint.net Received: from main (unknown [66.243.229.194]) (Authenticated sender: res12@fairpoint.net) by smtp0.av-mx.com (Postfix) with ESMTP id 3F44D1BFBC7 for ; Sat, 3 Oct 2009 08:01:22 -0400 (EDT) Message-ID: <8FD414C56CFE4BB685CE415B61D4BB68@main> From: "Richard Sohn" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Good, bad news...too much oil pressure somewhere Date: Sat, 3 Oct 2009 07:01:48 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001E_01CA43F7.60769E10" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_001E_01CA43F7.60769E10 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I like to catch things before they clog up the oil cooler.=20 Richard Sohn N2071U ----- Original Message -----=20 From: Bill Bradburry=20 To: Rotary motors in aircraft=20 Sent: Friday, October 02, 2009 10:35 PM Subject: [FlyRotary] Re: Good, bad news...too much oil pressure = somewhere Richard, I think the oil filter is supposed to be the last thing before the = engine. If so, how could a low flowing oil cooler build pressure to = blow the filter? The filter should be after the cooler?? Bill B =20 =20 -------------------------------------------------------------------------= ----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Richard Sohn Sent: Friday, October 02, 2009 9:49 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Good, bad news...too much oil pressure = somewhere =20 ----- Original Message -----=20 From: Al Gietzen=20 To: Rotary motors in aircraft=20 Sent: Friday, October 02, 2009 8:18 PM Subject: [FlyRotary] Re: Good, bad news...too much oil pressure = somewhere =20 Almost immediatly I noticed one of my heavy duty Aeroquip oil lines = had burst. Hmmmmm, the Oil Pressure reading never went over 75 and was = around 35 when idle (as a matter of fact, at idle, it is usualy around = 30). I belive these reading to be in the normal ranges. This is strange. What type of hose? If it is the Teflon/braided SS = line it should take several hundreds of psi. Is there not a pressure = relief valve on the outlet side of the pump that limits the pressure to = something like 150 psi? Al G Forgot about that, Al. I did not have the relieve valve when my = oifilter blew the gasket. Nevertheless, this should not happen under normal condition. After I = fixed the oilcooler problem, it never happened again, and I still do not = have a relief valve in the ground testing engine. Richard Sohn N2071U -------------------------------------------------------------------------= --- No virus found in this incoming message. Checked by AVG - www.avg.com=20 Version: 8.5.409 / Virus Database: 270.14.3/2409 - Release Date: = 10/02/09 06:46:00 -------------------------------------------------------------------------= ----- No virus found in this incoming message. Checked by AVG - www.avg.com=20 Version: 8.5.409 / Virus Database: 270.14.3/2409 - Release Date: = 10/02/09 06:46:00 ------=_NextPart_000_001E_01CA43F7.60769E10 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I like to catch things before they clog = up the oil=20 cooler.

Richard Sohn
N2071U

----- Original Message -----

From:=20 Bill=20 Bradburry

To: Rotary motors in = aircraft

Sent: Friday, October 02, 2009 = 10:35=20 PM

Subject: [FlyRotary] Re: Good, = bad=20 news...too much oil pressure somewhere

Richard,

I think the oil filter is supposed to be the = last=20 thing before the engine. If so, how could a low flowing oil = cooler build=20 pressure to blow the filter? The filter should be after the=20 cooler??

Bill B =

From:=20 Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On=20 Behalf Of Richard Sohn
Sent: Friday, October 02, 2009 = 9:49=20 PM
To: = Rotary motors in aircraft
Subject: [FlyRotary] Re: Good, = bad=20 news...too much oil pressure somewhere

----- Original Message = -----=20

From: Al = Gietzen=20

To: Rotary motors in = aircraft=20

Sent: Friday,=20 October 02, 2009 8:18 PM

Subject:=20 [FlyRotary] Re: Good, bad news...too much oil pressure=20 somewhere

Almost=20 immediatly I noticed one of my heavy duty Aeroquip oil lines had=20 burst. Hmmmmm, the Oil Pressure reading never went over 75 and = was=20 around 35 when idle (as a matter of fact, at idle, it=20 is usualy around 30). I belive these reading to be = in the=20 normal ranges.

This=20 is strange. What type of hose? If it is the = Teflon/braided SS=20 line it should take several hundreds of psi. Is there not a = pressure=20 relief valve on the outlet side of the pump that limits the pressure = to=20 something like 150 psi?

Al=20 G

Forgot = about=20 that, Al. I did not have the relieve valve when my oifilter blew the = gasket.

Nevertheless,=20 this should not happen under normal condition. After I fixed the = oilcooler=20 problem, it never happened again, and I still do not have a relief = valve in=20 the ground testing engine.

Richard = Sohn
N2071U

No virus found in this incoming=20 message.
Checked by AVG - www.avg.com
Version: 8.5.409 / = Virus=20 Database: 270.14.3/2409 - Release Date: 10/02/09=20 06:46:00

No virus found in this incoming message.
Checked by AVG = -=20 www.avg.com
Version: 8.5.409 / Virus Database: 270.14.3/2409 - = Release=20 Date: 10/02/09 06:46:00
------=_NextPart_000_001E_01CA43F7.60769E10--