X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from alnrmhc11.comcast.net ([204.127.225.91] verified) by logan.com (CommuniGate Pro SMTP 5.1c.3) with ESMTP id 1368805 for flyrotary@lancaironline.net; Thu, 07 Sep 2006 21:54:14 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.225.91; envelope-from=wschertz@comcast.net Received: from 7n7z201 (c-24-7-194-231.hsd1.il.comcast.net[24.7.194.231]) by comcast.net (alnrmhc11) with SMTP id <20060908015305b11001lcsge>; Fri, 8 Sep 2006 01:53:25 +0000 Message-ID: <005001c6d2e9$d4f903e0$e7c20718@7n7z201> From: "Bill Schertz" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Departed Exhaust Date: Thu, 7 Sep 2006 20:54:56 -0500 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2962 I took my tubing to Meinke muffler shop, asked if they could expand it to be a slip fit, and they did it at no charge. Bill Schertz KIS Cruiser # 4045 ----- Original Message ----- From: "Joe Berki" To: "Rotary motors in aircraft" Sent: Thursday, September 07, 2006 5:07 PM Subject: [FlyRotary] Re: Departed Exhaust > Buly, > My engine mount is not like any and is tapered to meet the narrow fuselge > of > a Long EZ. I probably should of did the oil pan plate sandwitch thing. > So > .065" thick is the ticket. Do they make slip joints for that type of > tube? > > Joe Berki > Limo EZ > > ----- Original Message ----- > From: "Bulent Aliev" > To: "Rotary motors in aircraft" > Sent: Wednesday, September 06, 2006 10:27 PM > Subject: [FlyRotary] Re: Departed Exhaust > > >> Joe, why are you rebuilding your engine mount? The pipes that cracked >> up were 0.049" thick and welded solid. Next ones I will make from 2" >> and 0.065 material with slip joints. Cast manifold from NA engine and >> than single pipe crossed my mind too, but the sucker is very heavy. >> Again, you have engine mount like mine. Why are you modifying it? >> Bulent "Buly" Aliev >> FXE Ft lauderdale, FL >> http://tinyurl.com/s5xw8 >> >> >> On Sep 6, 2006, at 9:48 PM, Joe Berki wrote: >> >> > Buly, >> > I am glad that you are safe. What dimensions on the exhaust pipes >> > need to >> > be changed? I am wondering ir the cast iron exhaust might solve >> > some of >> > thes issues. Unfortuntly I will need to modify or build a nes >> > engne mount. >> > >> > Joe Berki >> > Limo EZ >> > Canard in primer >> > >> > ----- Original Message ----- >> > From: "Ed Anderson" >> > To: "Rotary motors in aircraft" >> > Sent: Wednesday, September 06, 2006 7:57 AM >> > Subject: [FlyRotary] Departed Exhaust >> > >> > >> >> Hi Buly, great to hear about your flight and happy to hear the >> >> missing >> >> exhaust component did not cause damage - however, I would inspect >> >> the prop >> >> blade very closely to make certain no small cracks in blade - >> >> particularly >> >> near the hub. >> >> >> >> Yes, I have pulverized sufficient metal by trying different exhaust >> >> internals to say that the shock of the exhaust pulse particular >> >> with a >> > turbo >> >> block is tremendous. I have destroyed 1/8" thick stainless steel >> >> in a >> >> matter of hours. It appears that if a exhaust component is >> >> perpendicular >> > to >> >> the front of the shock wave, the impact on the component is such >> >> to reduce >> >> its life to almost nil. If the component is at an angle then its >> >> life is >> >> much longer. The constant flexing of the metal at 200 times/sec >> >> at 6000 >> > rpm >> >> caused by the strong exhaust pulse fatigues the metal extremely >> >> rapidly. >> >> >> >> The joke around my airport is "You can hear Ed long before you >> >> can see >> >> him!" - my response is that its a safety feature to let others >> >> know I am >> > on >> >> my way inbound{:>). >> >> >> >> Ed >> >> Ed Anderson >> >> Rv-6A N494BW Rotary Powered >> >> Matthews, NC >> >> eanderson@carolina.rr.com >> >> http://members.cox.net/rogersda/rotary/configs.htm#N494BW >> >> ----- Original Message ----- >> >> From: "Bulent Aliev" >> >> To: "Rotary motors in aircraft" >> >> Sent: Wednesday, September 06, 2006 7:17 AM >> >> Subject: [FlyRotary] Re: OT: Gardenhose as level >> >> >> >> >> >>> Joe, it was a "shake down" alright with an exhaust problem like >> >>> yours. >> >>> on Sat we did some takeoffs and landings with the CFI Ron >> >>> Miller. With >> >>> gross weight of 1850 pounds, on takeoff I'm getting 6500-7000 >> >>> rpm and >> >>> climb rate of about 1000 fpm. Than we went to 1500 ft over the >> >>> airport >> >>> and i did some steep turns etc for about 40 min. It flies like a >> >>> dream >> >>> (compared to C-172 :). Transponder did not work again. >> >>> Next day we got a waiver for the transponder and headed to an old >> >>> uncontrolled military field with two huge 5000 ft runways, so i can >> >>> practice landings and takeoffs. So we took off and headed for our >> >>> destination at 3500 ft over alligator country. Pulled back the >> >>> power to >> >>> 5000 rpm and we were cruising at 140 knots. Nothing spectacular, >> >>> but i >> >>> kept the prop at low pitch to go easy on the engine. 15 min >> >>> later, we >> >>> heard a bang and the plane felt like we run over a rock. First >> >>> reaction >> >>> look for a place to land. But soon everything checked out and the >> > engine >> >>> kept running normal with temps at 185-187F degrees with OAT at 85F. >> >>> Landed OK at our destination and taxied to the FBO. Ron got out >> >>> first >> > and >> >>> started looking, but can not find anything wrong? I got out and >> >>> noticed >> > a >> >>> slight scuff like a drag mark 3" wide on one of the Ivo blades >> >>> starting >> >>> about where the exhaust would be and going to the tip. The las oval >> > piece >> >>> of my shiny new exhaust was missing. Mystery solved. Ivo is a >> >>> one tough >> >>> prop to survive a 3" long 3" diam. SS pipe going hitting the >> >>> blade. We >> >>> continued with the training and I was getting good at it but >> >>> with lots >> > of >> >>> full power takeoffs and not enough time for the engine to cool >> >>> down, >> > some >> >>> of the coolant boiled out on takeoff and we came down to replace >> >>> to add >> >>> more coolant and check under the hood. Added some water, cleaned >> >>> the >> >>> plugs, just in case and took off again. >> >>> By now it was a sweltering heat with jungle like humidity and >> >>> after few >> >>> landings, we headed home. The trip was uneventful, the engine was >> > running >> >>> fine around 5000 rpm. The biggest surprise later was after I >> >>> removed >> > the >> >>> SS heat shields from around my new exhaust pipes. one pipe was >> >>> totaly >> >>> separated at the weld, another was half cracked. >> >>> Sound familiar Joe:) The exhaust pulses must be ferocious? people on >> > the >> >>> ground said they can hear me long before they can see me coming:) >> >>> More later. Got to go to work. >> >>> Bulent "Buly" Aliev >> >>> FXE Ft lauderdale, FL >> >>> http://tinyurl.com/s5xw8 >> >>> >> >>> On Sep 5, 2006, at 11:47 PM, Joe Hull wrote: >> >>> >> >>>> OK - it's supposed to be "Shake down cruise" - don't tell me >> >>>> you broke >> >>>> down >> >>>> somewhere!! >> >>>> >> >>>> But congrats on flying it anyway!! >> >>>> >> >>>> Joe Hull >> >>>> Cozy Mk-IV N31CZ (65 hrs - Rotary 13B NA) >> >>>> Redmond (Seattle), Washington >> >>>> >> >>>> >> >>>>> -----Original Message----- >> >>>>> From: Rotary motors in aircraft >> >>>>> [mailto:flyrotary@lancaironline.net] >> > On >> >>>>> Behalf Of Bulent Aliev >> >>>>> Sent: Tuesday, September 05, 2006 8:20 PM >> >>>>> To: Rotary motors in aircraft >> >>>>> Subject: [FlyRotary] Re: OT: Gardenhose as level >> >>>>> >> >>>>> >> >>>>>> >> >>>>>> Guess I need to buy some expensive clear hose ..... >> >>>>>> Finn >> >>>>> >> >>>>> Finn, if you buy the right size, one day you can used for your >> >>>>> fuel >> >>>>> lines on the next airplane. Worked very well on the first one :) >> >>>>> Buly >> >>>>> Finally checked out in my plane. >> >>>>> Did my first 100 mile "cross country". Or should I say "break down >> >>>>> cruise" :), >> >>>>> >> >>>>> -- >> >>>>> Homepage: http://www.flyrotary.com/ >> >>>>> Archive and UnSub: http://mail.lancaironline.net/lists/ >> >>>>> flyrotary/ >> >>>> >> >>>> >> >>>> -- >> >>>> Homepage: http://www.flyrotary.com/ >> >>>> Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ >> >>> >> >>> >> >>> -- >> >>> Homepage: http://www.flyrotary.com/ >> >>> Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ >> >>> >> >> >> >> >> >> >> >> -- >> >> Homepage: http://www.flyrotary.com/ >> >> Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ >> >> >> >> >> >> -- >> >> No virus found in this incoming message. >> >> Checked by AVG Free Edition. >> >> Version: 7.1.405 / Virus Database: 268.11.7/436 - Release Date: >> >> 9/1/2006 >> >> >> >> >> > >> > >> > -- >> > Homepage: http://www.flyrotary.com/ >> > Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ >> >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ >> >> >> -- >> No virus found in this incoming message. >> Checked by AVG Free Edition. >> Version: 7.1.405 / Virus Database: 268.11.7/436 - Release Date: 9/1/2006 >> > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/