X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Received: from imf17aec.mail.bellsouth.net ([205.152.59.65] verified) by logan.com (CommuniGate Pro SMTP 5.1.7) with ESMTP id 1915051 for flyrotary@lancaironline.net; Sun, 11 Mar 2007 12:54:31 -0400 Received-SPF: none receiver=logan.com; client-ip=205.152.59.65; envelope-from=rusty@radrotary.com Received: from ibm57aec.bellsouth.net ([65.6.194.9]) by imf17aec.mail.bellsouth.net with ESMTP id <20070311165342.TPRO2544.imf17aec.mail.bellsouth.net@ibm57aec.bellsouth.net> for ; Sun, 11 Mar 2007 12:53:42 -0400 Received: from rd ([65.6.194.9]) by ibm57aec.bellsouth.net with ESMTP id <20070311165341.LYRU23400.ibm57aec.bellsouth.net@rd> for ; Sun, 11 Mar 2007 12:53:41 -0400 From: "Russell Duffy" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Renesis oil pump picture? Date: Sun, 11 Mar 2007 11:53:41 -0500 Message-ID: <013b01c763fd$d2cbdd40$6e01a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_013C_01C763D3.E9F5D540" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6822 In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 Thread-Index: Acdj+LfM+yLFxlaqTrecfrMKLYO9NAAAuiqA Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_013C_01C763D3.E9F5D540 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable I wonder whether a chain slipping through the oil would really foam it = up that badly. The oil in the rotors certainly get churned into a foamy = state. The old connection rod splash rod would really foam the oil as it "beat" = the oil several hundred times a minute - but I'll bet if anything the chain = will just created a small turbulent area around it but not wide spread as it smoothly slips through the oil. Just speculation, of course, never = seen a chain running through oil.=20 =20 Hi Ed, =20 Good point... As usual, I'm probably worrying about nothing. I know = that the RV-3 chain ran in the oil during climbs, because I had a really hard leak to find. I could run the engine on the ground, and it would never leak, but after a flight, there would be oil. Eventually, after = slopping grey sealer everywhere (sorry Rich), I found the right place to put it. = =20 If you look at a 3rd gen REW front cover, you'll see that they added an extra bolt near the top of the cover. The spot where they added the = bolt used to be a fairly long unsupported area, and it just happens to be = right where the oil chain slings oil at a high velocity. That's where it = leaked of course. =20 =20 Rusty (wondering if I can get away with one oil drain) =20 ------=_NextPart_000_013C_01C763D3.E9F5D540 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message
I wonder whether a chain slipping through the = oil would=20 really foam it up that badly. The oil in the rotors certainly get = churned=20 into a foamy state.  The old connection rod splash rod would really = foam=20 the oil as it "beat" the oil several hundred times a minute - but I'll = bet if=20 anything the chain will just created a small turbulent area around = it but=20 not wide spread as it smoothly slips through the = oil.   Just=20 speculation, of course, never seen a chain running through oil. 
 
Hi=20 Ed,
 
Good=20 point...  As usual, I'm probably worrying about nothing.  I = know that=20 the RV-3 chain ran in the oil during climbs, because I had a=20 really hard leak to find.  I could run the engine on the = ground,=20 and it would never leak, but after a flight, there would be = oil. =20 Eventually, after slopping grey sealer everywhere (sorry Rich),=20 I found the right place to put it.  =
 
If you=20 look at a 3rd gen REW front cover, you'll see that they added an = extra bolt=20 near the top of the cover.  The spot where they added the bolt = used to=20 be a fairly long unsupported area, and it just happens to be right = where=20 the oil chain slings oil at a high velocity.  That's where it = leaked of=20 course.  
 
Rusty=20 (wondering if I can get away with one oil=20 drain)    
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