X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imf24aec.mail.bellsouth.net ([205.152.59.72] verified) by logan.com (CommuniGate Pro SMTP 5.0.2) with ESMTP id 854001 for flyrotary@lancaironline.net; Thu, 01 Dec 2005 22:29:00 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.72; envelope-from=atlasyts@bellsouth.net Received: from ibm70aec.bellsouth.net ([70.149.3.22]) by imf24aec.mail.bellsouth.net with ESMTP id <20051202032815.FLZJ4080.imf24aec.mail.bellsouth.net@ibm70aec.bellsouth.net> for ; Thu, 1 Dec 2005 22:28:15 -0500 Received: from [70.149.3.22] by ibm70aec.bellsouth.net with ESMTP id <20051202032815.WTBB6508.ibm70aec.bellsouth.net@[70.149.3.22]> for ; Thu, 1 Dec 2005 22:28:15 -0500 Mime-Version: 1.0 (Apple Message framework v746.2) In-Reply-To: References: Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <7E358DB6-782F-4691-B4B8-8B6C4151EC5A@bellsouth.net> Content-Transfer-Encoding: 7bit From: Bulent Aliev Subject: Re: [FlyRotary] Re: OIL PRESSURE Date: Thu, 1 Dec 2005 22:28:48 -0500 To: "Rotary motors in aircraft" X-Mailer: Apple Mail (2.746.2) Thanks Ed. That makes me feel normal again :) Buly On Dec 1, 2005, at 9:56 PM, Ed Anderson wrote: > Bully, I run 20-50 synthetic and 3000 rpm makes me 50 PSI, cruise > at 5600-6000 makes 70 psi. That's what it has been since day one > regardless of using mineral oil or synthetic. On really hot days > right after take off oil pressure may decrease to around 65 psi > until the oil temps cool down. > > Ed > ----- Original Message ----- From: "Buly" > To: "Rotary motors in aircraft" > Sent: Thursday, December 01, 2005 11:18 AM > Subject: [FlyRotary] OIL PRESSURE > > >> I was thinking about the oil pressure readings that Lynn >> recommended. On our turbo engines we have actually two relieve >> holes: One is the turbo lubrication which is tapped into the >> engine oil pressure and the other end is basically open ended to >> the oil pan. The other one is the PSRU lubrication system. Also a >> 1/4" relieve tube that takes oil pressure from the system and it >> is open to the oil pan. Doesn't that lower the overall oil pressure? >> My engine at 3000 rpm makes about 50-55 psi OP with 15-40 oil. So >> I wander if it is adequate? I know if I run 20-50 it will be higher. >> Buly >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/