X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao103.cox.net ([68.230.241.43] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3872720 for flyrotary@lancaironline.net; Fri, 02 Oct 2009 20:18:55 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.43; envelope-from=alventures@cox.net Received: from fed1rmimpo03.cox.net ([70.169.32.75]) by fed1rmmtao103.cox.net (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20091003001818.BODB11920.fed1rmmtao103.cox.net@fed1rmimpo03.cox.net> for ; Fri, 2 Oct 2009 20:18:18 -0400 Received: from BigAl ([72.192.133.78]) by fed1rmimpo03.cox.net with bizsmtp id o0JH1c00N1hf1Cg040JHiF; Fri, 02 Oct 2009 20:18:18 -0400 X-VR-Score: 0.00 X-Authority-Analysis: v=1.0 c=1 a=hQUeTyfNwowA:10 a=_a_OeUHafCOH3UKYjiUA:9 a=_Hj4yrLrbJO0fekkYdjdueqfnHwA:4 a=A8cLeHo68DNl9fE5skUA:9 a=8b2mL6EW8NQSd6QaHjAA:7 a=_Opb6_lkJB9DsJuH8RlCtT4FwKAA:4 X-CM-Score: 0.00 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Good, bad news...too much oil pressure somewhere Date: Fri, 2 Oct 2009 17:18:25 -0800 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001B_01CA4384.5AAAD690" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6838 In-Reply-To: Importance: Normal Thread-Index: AcpDrtFm78wqLegoRTu/nyBtEZppbwAF+Tsg X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_001B_01CA4384.5AAAD690 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable 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 ------=_NextPart_000_001B_01CA4384.5AAAD690 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

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

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