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Return-Path: <13brv3@bellsouth.net> Received: from imf23aec.mail.bellsouth.net ([205.152.59.71] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 574937 for flyrotary@lancaironline.net; Mon, 20 Dec 2004 21:41:13 -0500 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.71; envelope-from=13brv3@bellsouth.net Received: from rd ([65.6.194.9]) by imf23aec.mail.bellsouth.net (InterMail vM.5.01.06.11 201-253-122-130-111-20040605) with ESMTP id <20041221024042.LXDY2382.imf23aec.mail.bellsouth.net@rd> for ; Mon, 20 Dec 2004 21:40:42 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "Flyrotary List" Subject: today's oil pan inspection Date: Mon, 20 Dec 2004 20:40:44 -0600 Message-ID: <002f01c4e706$78230ec0$6101a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0030_01C4E6D4.2D889EC0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0030_01C4E6D4.2D889EC0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Greetings, =20 I raised the tail to level, and drained another 12 oz of oil from the = pan. I put a layer of plastic wrap on a white paper plate, and poured some of = the oil on it. The oil looks absolutely free of any sort of metal = particles. I also took a piece of wire as Leon suggested, and scraped the bottom of = the pan. I got no residue, flakes, gunk, etc. =20 =20 Before raising the tail, I turned the prop through a few times quickly, = to feel the compression. The hose from the front cover was loose, and = hanging from the engine, and I noticed that it pumped a few ounces of oil onto = the pan below, so there must have still been some oil in the system. At = this point, I'm more convinced than ever that the engine is undamaged. I may = go ahead and send the remaining oil out for analysis as a final test, but = I'm almost sure at this point that I'll just run it like it is to see if it appears OK. =20 =20 Since I've never use any oil analysis service, I have a question. I've always understood that this was something you did routinely, to notice = when some extra wear starts. In other words, the results are based on a = baseline that you established when the engine was working well. Since so many = people do this with Lycomings, there's a pretty good bank of data to compare = to, even if your only sent in one sample. Do the oil test folks have a = solid idea what's "normal" for a rotary engine? Will this test absolutely = show if something is wrong? =20 Thanks, Rusty (still have a lot of work to do, even if the engine is OK) ------=_NextPart_000_0030_01C4E6D4.2D889EC0 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message

Greetings,

I = raised the=20 tail to level, and drained another 12 oz of oil from the pan. I put a layer of plastic wrap = on a white=20 paper plate, and poured some of the oil on it. The oil looks absolutely free = of any=20 sort of metal particles. I also took a piece = of wire=20 as Leon=20 suggested, and scraped the bottom of the pan. I got no residue, flakes, = gunk,=20 etc.

Before raising=20 the tail, I turned the prop through a few times quickly, to feel the compression. The hose from the front cover = was loose,=20 and hanging from the engine, = and I=20 noticed that it pumped a few ounces of oil onto the pan below, so there = must=20 have still been some oil in the system. =20 At this point, = I’m more=20 convinced than ever that the engine is undamaged. I may go ahead and send the remaining oil out for analysis = as a final=20 test, but I’m almost sure at this point that I’ll just run = it like it is to see=20 if it appears OK. =

Since I've = never use=20 any oil analysis service, I have a question. I've always = understood that=20 this was something you did routinely, to notice when some extra wear=20 starts. In other words, the results are based on a baseline that = you=20 established when the engine was working well. Since so many people = do this=20 with Lycomings, there's a pretty good bank of data to compare to, even = if your=20 only sent in one sample. Do the oil test folks have a solid = idea=20 what's "normal" for a rotary engine? Will this test absolutely = show if=20 something is wrong?

Thanks,

Rusty = (still have a lot=20 of work to do, even if the engine is=20 OK)

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