Return-Path: Sender: (Marvin Kaye) To: flyrotary Date: Fri, 30 May 2003 19:43:00 -0400 Message-ID: X-Original-Return-Path: <13brv3@bellsouth.net> Received: from [205.152.58.195] (HELO imf23bis.bellsouth.net) by logan.com (CommuniGate Pro SMTP 4.1b6) with ESMTP id 2368909 for flyrotary@lancaironline.net; Fri, 30 May 2003 14:50:47 -0400 Received: from rad ([68.212.1.175]) by imf23bis.bellsouth.net (InterMail vM.5.01.04.25 201-253-122-122-125-20020815) with ESMTP id <20030530185257.KPII24149.imf23bis.bellsouth.net@rad> for ; Fri, 30 May 2003 14:52:57 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> X-Original-To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: oil return location? X-Original-Date: Fri, 30 May 2003 13:50:44 -0500 X-Original-Message-ID: <000001c326dc$60657bb0$0201a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C326B2.778F73B0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C326B2.778F73B0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable With the return below the oil level in the pan, obviously the pan oil = will back up into the drain line. I think Tracy made the key point. If the = oil is from the re-drive is "frothy" (which it likely is) it will "float" at = the interface with the clear oil and back up the drain line; in other words, = not drain. =20 This is a pretty good description Al. For some reason, I've always = thought there would be some oil pooled up in the redrive, but now that I think = about it, I'm not so sure. If there was a pool of oil, it would stand to = reason that the frothy stuff would stay at the top, and the clear oil would be = at the bottom, where the drain lines are. Does anyone know if the drive = does stay partially full when running? =20 =20 Cheers, Rusty =20 ------=_NextPart_000_0001_01C326B2.778F73B0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable RE: [FlyRotary] Re: oil return location?

With the return below the oil = level in the pan, obviously the pan oil will back up into the drain line.  I = think Tracy made the key = point.  If the oil is from the re-drive is “frothy” (which it = likely is) it will “float” at the interface with the clear oil and = back up the drain line; in other words, not drain.

 

This is a pretty good description Al.  For some = reason, I’ve always thought there would be some oil pooled up in the = redrive, but now that I think about it, I’m not so sure.  If there was a = pool of oil, it would stand to reason that the frothy stuff would stay at the = top, and the clear oil would be at the bottom, where the drain lines are.  = Does anyone know if the drive does stay partially full when running?  =

 

Cheers,

Rusty  

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