Return-Path: Sender: (Marvin Kaye) To: flyrotary Date: Thu, 29 May 2003 12:48:34 -0400 Message-ID: X-Original-Return-Path: <13brv3@bellsouth.net> Received: from [205.152.58.215] (HELO imf33bis.bellsouth.net) by logan.com (CommuniGate Pro SMTP 4.1b6) with ESMTP id 2367160 for flyrotary@lancaironline.net; Thu, 29 May 2003 08:29:57 -0400 Received: from rad ([68.212.3.55]) by imf33bis.bellsouth.net (InterMail vM.5.01.04.25 201-253-122-122-125-20020815) with ESMTP id <20030529123210.BUCH16360.imf33bis.bellsouth.net@rad> for ; Thu, 29 May 2003 08:32:10 -0400 From: "Russell Duffy" <13brv3@bellsouth.net> X-Original-To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: oil return location? X-Original-Date: Thu, 29 May 2003 07:29:56 -0500 X-Original-Message-ID: <000001c325de$039af440$0201a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C325B4.1AC4EC40" 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_01C325B4.1AC4EC40 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I have never returned the oil to a point below the oil level so I have = no personal experience with that arrangement. But ---- there have been = around 5 reported cases of oil leaking past redrive oil seals when the oil = return was below the oil level in the pan. Draw your own conclusions. =20 Message received. Does this leakage cause any harm to the seals, or = just make a mess? In other words, would it hurt anything if I decide to give = it a try?=20 =20 If you are looking for a convienient place to return oil, drill & tap = a hole (1/4" NPT) in the "foot" of the flywheel end rotor housing on the = spark plug side. It is at the perfect height, close to the return from the = drive and away from the hot exhaust. =20 Tracy Crook Bruce mentioned this too, but with the engine all sealed up, I can't see = how I'd capture all the drilling chips. I've got the oil injection location = in the front cover to block, so maybe I'll just put a fitting in a cover = plate and return it there. That was the original plane. Of course I am going = to install a hose to the oil pan drain bolt anyway, just for oil change purposes. =20 =20 Thanks, Rusty (very frustrated with the cowl at the moment) ------=_NextPart_000_0001_01C325B4.1AC4EC40 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I have never returned the oil to a point below the = oil level so I have no personal experience with that arrangement. But = ---- there have been around 5 reported cases of oil leaking past redrive oil = seals when the oil return was below the oil level in the pan. Draw your = own conclusions.

Message received. Does this = leakage cause any harm to the seals, or just make a mess? In other words, = would it hurt anything if I decide to give it a try?

If you are looking for a convienient place to return oil, drill & tap a hole (1/4" NPT) in = the "foot" of the flywheel end rotor housing on the spark plug = side. It is at the perfect height, close to the return from the drive and = away from the hot exhaust.

Tracy Crook

Bruce mentioned this too, but with = the engine all sealed up, I can’t see how I’d capture all the = drilling chips. I’ve got the oil injection location in the front = cover to block, so maybe I’ll just put a fitting in a cover plate and = return it there. That was the original plane. Of course I am going to = install a hose to the oil pan drain bolt anyway, just for oil change = purposes.

Thanks,

Rusty (very frustrated with the = cowl at the moment)

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