Return-Path: Received: from fed1rmmtao09.cox.net ([68.230.241.30] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 572283 for flyrotary@lancaironline.net; Sat, 18 Dec 2004 13:17:53 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.241.30; envelope-from=rogersda@cox.net Received: from smtp.west.cox.net ([172.18.180.52]) by fed1rmmtao09.cox.net (InterMail vM.6.01.04.00 201-2131-117-20041022) with SMTP id <20041218181721.LIMR2638.fed1rmmtao09.cox.net@smtp.west.cox.net> for ; Sat, 18 Dec 2004 13:17:21 -0500 X-Mailer: Openwave WebEngine, version 2.8.15 (webedge20-101-1103-20040528) From: Dale Rogers To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Engine damage thoughts Date: Sat, 18 Dec 2004 13:17:22 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Message-Id: <20041218181721.LIMR2638.fed1rmmtao09.cox.net@smtp.west.cox.net> Rusty, My gut feeling - from engines in general - is that I would spend the money for the gasket kit, and get a visual on the bearings. However, I will defer to others with more active rotary experience than I have. Dale R. COZY MkIV #1254 > From: "Russell Duffy" <13brv3@bellsouth.net> > Date: 2004/12/18 Sat PM 12:36:51 EST > To: "Rotary motors in aircraft" > Subject: [FlyRotary] Engine damage thoughts > > Greetings again, > > I've been thinking more about the engine, and wondering what the chances are > that there's any damage inside. > > I'm pretty sure I noticed the oil about the instant it started to lose any > significant amount. As soon as the oil started to leak, I pulled the engine > back to idle, and descended ASAP. I'm sure I was doing at least 2000 fpm > from 6000 to 2000 ft, which only accounts for 2 minutes of time. At 2000 > ft, is when I tried to throttle up, and the engine quit, so no time after > that counts. I'm absolutely sure the engine quit because I had the mixture > knob set way lean for cruise, and not because it seized up. > > This means that at worst, the engine idled for 2 minutes with no oil > pressure. My guess would be that it was more like 30 seconds or less. With > this in mind, I'm thinking that it's worth doing some ground runs of the > engine to see how healthy it seems. If I can thoroughly run it on the > ground without problems, then I can follow that with about 10 hours of > circling the field. By that point, I can't imagine having any further > concerns. If there was a problem, it would damage the engine further, but > still continue to until I made it to an airport. If I'm wrong about how > much damage there might be, it will get expensive, but shouldn't be life > threatening. > > Many of you have a lot more experience with these engines than I do. Does > this sound like a reasonable plan? > > Thanks, > Rusty (late for the airport as always) > > > > >