X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [207.46.163.211] (HELO na01-bl2-obe.outbound.protection.outlook.com) by logan.com (CommuniGate Pro SMTP 6.0.7) with ESMTPS id 6510134 for lml@lancaironline.net; Thu, 10 Oct 2013 13:01:51 -0400 Received-SPF: pass receiver=logan.com; client-ip=207.46.163.211; envelope-from=rpastusek@htii.com Received: from BLUPR07MB403.namprd07.prod.outlook.com (10.141.27.146) by BLUPR07MB404.namprd07.prod.outlook.com (10.141.27.156) with Microsoft SMTP Server (TLS) id 15.0.785.10; Thu, 10 Oct 2013 17:01:04 +0000 Received: from BLUPR07MB403.namprd07.prod.outlook.com ([169.254.5.200]) by BLUPR07MB403.namprd07.prod.outlook.com ([169.254.5.200]) with mapi id 15.00.0785.001; Thu, 10 Oct 2013 17:01:04 +0000 From: Robert R Pastusek To: Lancair Mailing List Subject: RE: [LML] Air/Oil Separator on IO-550N Engine? Thread-Topic: [LML] Air/Oil Separator on IO-550N Engine? Thread-Index: AQHOxdGHdb04fSSbQ0O6XYgL72/dU5nuI4Ew Date: Thu, 10 Oct 2013 17:01:02 +0000 Message-ID: <404b057085264e438475eb4221aedcab@BLUPR07MB403.namprd07.prod.outlook.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [70.192.193.196] x-forefront-prvs: 0995196AA2 x-forefront-antispam-report: SFV:NSPM;SFS:(189002)(199002)(24454002)(15975445006)(19580405001)(19580395003)(81816001)(74316001)(56776001)(74502001)(74662001)(54316002)(47446002)(31966008)(81686001)(74876001)(76482001)(77982001)(74706001)(79102001)(59766001)(74366001)(80976001)(83322001)(16236675002)(80022001)(66066001)(85306002)(81342001)(63696002)(81542001)(65816001)(69226001)(49866001)(83072001)(33646001)(53806001)(47736001)(54356001)(19300405004)(4396001)(51856001)(50986001)(15202345003)(47976001)(46102001)(56816003)(76796001)(76786001)(76576001)(77096001)(24736002);DIR:OUT;SFP:;SCL:1;SRVR:BLUPR07MB404;H:BLUPR07MB403.namprd07.prod.outlook.com;CLIP:70.192.193.196;FPR:;RD:InfoNoRecords;MX:1;A:1;LANG:en; Content-Type: multipart/alternative; boundary="_000_404b057085264e438475eb4221aedcabBLUPR07MB403namprd07pro_" MIME-Version: 1.0 X-OriginatorOrg: htii.com --_000_404b057085264e438475eb4221aedcabBLUPR07MB403namprd07pro_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Valin wrote: Hey LML gang, we're finalizing our firewall layout and the Lancair Legacy m= anual says the Continental IO-550 engine does not require an air/oil separa= tor. Still, I've noticed some IO-550's flying with them and some without. = Would appreciate advice from the community on whether we should install on= e... Valin, I used an Andair unit on my TSIO-550E and have been most pleased with it. T= ried to chase down a Continental unit, and the cost scared me. When I also = had trouble finding one, my decision to go with the Andair unit was done. S= eparator mounted high up against the bottom of the upper cowl, and behind t= he air baffle/back left cylinder. Oil drain line back into the crankcase, = and the breather line "Ys" into my left exhaust pipe about 2 inches above t= he end. At 1100 hours, oil consumption is negligible (less than 1 qt/50 ho= urs). The only "complaint" is that the exhaust (with probably a bit of oil = residue) accumulates on the left bottom side of the tail (but not the right= ). I expect this is the exhaust/prop swirl, but it is devilishly hard to ge= t off the paint. Since I have Judy to help me clean it, I've not bothered t= o extend the exhaust or otherwise work this problem... J Bob --_000_404b057085264e438475eb4221aedcabBLUPR07MB403namprd07pro_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Valin wrote:

 

Hey LML gang, we’re finalizing our firewall layout and the La= ncair Legacy manual says the Continental IO-550 engine does not require an air/oil separator.  Still, I’ve noticed some IO-550’s flying with them and some w= ithout.  Would appreciate advice from the community on whether we should inst= all one…

 

Valin,

I used an Andair unit on my TSIO-550E and have been mos= t pleased with it. Tried to chase down a Continental unit, and the cost sca= red me. When I also had trouble finding one, my decision to go with the Andair unit was done. Separator mounted high = up against the bottom of the upper cowl, and behind the air baffle/back lef= t cylinder. Oil drain line back  into the crankcase, and the breather line “Ys” into my left exhaust pipe about 2 inches above the end= . At 1100 hours, oil consumption is negligible (less  than 1 qt/50 hours). The only “c= omplaint” is that the exhaust (with probably a bit of oil residue) ac= cumulates on the left bottom side of the tail (but not the right). I expect= this is the exhaust/prop swirl, but it is devilishly hard to get off the paint. Since I have Judy to help me clean it, I’= ve not bothered to extend the exhaust or otherwise work this problem… J


Bob

 

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