Return-Path: <13brv3@bellsouth.net> Received: from imf21aec.mail.bellsouth.net ([205.152.59.69] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 540703 for flyrotary@lancaironline.net; Sun, 21 Nov 2004 09:25:30 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.69; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf21aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20041121142459.XCPW2451.imf21aec.mail.bellsouth.net@rd> for ; Sun, 21 Nov 2004 09:24:59 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Typical oil pressure Date: Sun, 21 Nov 2004 08:25:22 -0600 Message-ID: <013b01c4cfd5$ef3bbdb0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_013C_01C4CFA3.A4A14DB0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_013C_01C4CFA3.A4A14DB0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable I've noticed lower oil pressures lately. Between 30 and 40 at 3500 rpm = or so when hot. =20 I need to double check the calibration, but was wondering what people consider normal. John Slade=20 =20 Normal depends on which regulator you have, but it's usually about = double what you're reading. My initial oil pressure check after cranking is = about 75 psi, at 2000 rpm. It's probably less than that when warm, but I = can't recall checking it. I know that my oil pressure low alarm is set at 35, = and it never goes off. I agree about double checking the cal. That's = almost certainly the problem. =20 =20 Cheers, Rusty (wife won't let me cook with MMO anymore because it leaves too = much residue)=20 ------=_NextPart_000_013C_01C4CFA3.A4A14DB0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message
I've noticed lower oil pressures lately. = Between 30 and=20 40 at 3500 rpm or so when hot. 
I need=20 to double check the calibration, but was wondering what people consider=20 normal.
John Slade 
 
Normal=20 depends on which regulator you have, but it's usually about double what = you're=20 reading.  My initial oil pressure check after cranking is about 75 = psi, at=20 2000 rpm.   It's probably less than that when warm, but I = can't recall=20 checking it.  I know that my oil pressure low alarm is set at 35, = and it=20 never goes off.  I agree about double checking the cal.  = That's=20 almost certainly the=20 problem.  
 
Cheers,
Rusty (wife=20 won't let me cook with MMO anymore because it leaves too much=20 residue) 
------=_NextPart_000_013C_01C4CFA3.A4A14DB0--