Return-Path: Received: from [24.25.9.100] (HELO ms-smtp-01-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 549002 for flyrotary@lancaironline.net; Sun, 28 Nov 2004 22:49:07 -0500 Received-SPF: none receiver=logan.com; client-ip=24.25.9.100; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-069-132-109-019.carolina.rr.com [69.132.109.19]) by ms-smtp-01-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id iAT3maKk009726 for ; Sun, 28 Nov 2004 22:48:36 -0500 (EST) Message-ID: <002501c4d5c6$537fecb0$2502a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Another precautionary landing Date: Sun, 28 Nov 2004 22:48:45 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0022_01C4D59C.6A7A4930" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0022_01C4D59C.6A7A4930 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Re: [FlyRotary] Re: Another precautionary landingA possibility, Buly. I = do know that if you have an air leak on the pickup side, it is very, = very difficult to get the oil pump to "suck" oil when it can more easily = suck air through the leak. Although normally, I would expect the = problem to be more noticeable on first startup when the engine oil is = cold and harder to "suck". However, heat could possibly cause the air = leak hole to expand? and let more air into the system acerbating the = problem as the oil temps increased. Certainly worth putting on the = "check it" list. Ed Anderson ----- Original Message -----=20 From: Bulent Aliev=20 To: Rotary motors in aircraft=20 Sent: Sunday, November 28, 2004 10:43 PM Subject: [FlyRotary] Re: Another precautionary landing HOLD THE PHONES! I just remembered John did some work on his buggered = up oil pick up tube. If the tube is not seated properly at the flange, = he may have air leak. If there is an air leak, the thinner the oil gets, = less suction he will have. Less oil in the system =3D less oil pressure? What do you think? Buly ------=_NextPart_000_0022_01C4D59C.6A7A4930 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Re: [FlyRotary] Re: Another precautionary = landing
A possibility, Buly.  I do know = that if you=20 have an air leak on the pickup side, it is very, very difficult to get = the oil=20 pump to "suck" oil when it can more easily suck air through the = leak. =20 Although normally, I would expect the problem to be  more = noticeable on=20 first startup when the engine oil is cold and harder to "suck".  = However,=20 heat could possibly cause the air leak hole to expand? and let more air = into the=20 system acerbating the problem as the oil temps increased.  = Certainly worth=20 putting on the "check it" list.
 
Ed Anderson
 
 
----- Original Message -----
From:=20 Bulent=20 Aliev
Sent: Sunday, November 28, 2004 = 10:43=20 PM
Subject: [FlyRotary] Re: = Another=20 precautionary landing

HOLD THE=20 PHONES! I just remembered John did some work on his buggered up oil = pick up=20 tube. If the tube is not seated properly at the flange, he may have = air leak.=20 If there is an air leak, the thinner the oil gets, less suction he = will have.=20 Less oil in the system =3D less oil pressure?
What do you=20 think?
Buly

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