Return-Path: Sender: (Marvin Kaye) To: flyrotary Date: Fri, 30 May 2003 19:42:20 -0400 Message-ID: X-Original-Return-Path: Received: from corpprd-pxy1.canfor.ca ([207.230.226.92] verified) by logan.com (CommuniGate Pro SMTP 4.1b6) with ESMTP id 2368832 for flyrotary@lancaironline.net; Fri, 30 May 2003 13:25:33 -0400 Received: from exchange.canfor.ca (mail.canfor.ca [198.162.162.49]) by corpprd-pxy1.canfor.ca (Build 103 8.9.3p2/NT-8.9.3) with ESMTP id KAA01411 for ; Fri, 30 May 2003 10:25:25 -0700 Received: by mail.canfor.ca with Internet Mail Service (5.5.2653.19) id ; Fri, 30 May 2003 10:25:25 -0700 X-Original-Message-ID: <1F17B59A61D4194095359264D24D22A2708BB9@mailman.canfor.ca> From: "Bartrim, Todd" X-Original-To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: oil return location? X-Original-Date: Fri, 30 May 2003 10:25:18 -0700 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C326D0.70DC88A0" This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ------_=_NextPart_001_01C326D0.70DC88A0 Content-Type: text/plain; charset="iso-8859-1" > 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 the best and most logical explanation of this that I've heard yet. I completely agree with this. One thing I like about this group is that most members are not satisfied with advice not accompanied with logic. In other words we want to know why we are doing it one way or another. Unlike most of the Lyc installations where tradition & myth govern the installation. S. Todd Bartrim Turbo 13B rotary powered RX-9endurance (FWF) C-FSTB (reserved) http://www3.telus.net/haywire/RV-9/C-FSTB.htm "Imagination is more important than knowledge" -Albert Einstein ------_=_NextPart_001_01C326D0.70DC88A0 Content-Type: text/html; charset="iso-8859-1" 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 the best and most logical = explanation of this that I've heard yet. I completely agree with this. = One thing I like about this group is that most members are not = satisfied with advice not accompanied with logic. In other words we = want to know why we are doing it one way or another. Unlike most of the = Lyc installations where tradition & myth govern the = installation.

S. Todd Bartrim
Turbo 13B rotary powered
RX-9endurance (FWF)
C-FSTB (reserved)
http://www3.telus.net/haywire/RV-9/C-FSTB.htm

        "Imagination is more important than = knowledge"
        =         =         =         =         -Albert Einstein

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