X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao107.cox.net ([68.230.241.39] verified) by logan.com (CommuniGate Pro SMTP 5.3c2) with ESMTP id 3975475 for flyrotary@lancaironline.net; Fri, 13 Nov 2009 17:53:20 -0500 Received-SPF: none receiver=logan.com; client-ip=68.230.241.39; envelope-from=rv-4mike@cox.net Received: from fed1rmimpo03.cox.net ([70.169.32.75]) by fed1rmmtao107.cox.net (InterMail vM.8.00.01.00 201-2244-105-20090324) with ESMTP id <20091113225244.QNMU21470.fed1rmmtao107.cox.net@fed1rmimpo03.cox.net> for ; Fri, 13 Nov 2009 17:52:44 -0500 Received: from wills ([68.105.88.66]) by fed1rmimpo03.cox.net with bizsmtp id 4msj1d0021RtBmC04mslWn; Fri, 13 Nov 2009 17:52:45 -0500 X-VR-Score: 0.00 X-Authority-Analysis: v=1.0 c=1 a=Xv1WsxQqR0UA:10 a=7ucR39ezAAAA:8 a=xQzK0zUlAAAA:8 a=riKrYf_Y2nHBTLQL5jQA:9 a=goesWbzD_lmeDqP5W-d-dgs7n3sA:4 a=dltGVuZxrH0A:10 a=FsHUmYH9RftxUDQQ:21 a=AnUS69mSosdVeP9C:21 a=C_IRinGWAAAA:8 a=Ia-xEzejAAAA:8 a=zHKn-asLCFDhVdlL0fIA:9 a=ysKiCAVcHLnREGWUfjcA:7 a=LNLzFWzV3q67uZL9xsooH9GFTBwA:4 a=si9q_4b84H0A:10 a=EzXvWhQp4_cA:10 X-CM-Score: 0.00 Message-ID: <49A619B2300246659CF0F42B96CA7061@wills> From: "Mike Wills" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] renesis stock exhaust flange Date: Fri, 13 Nov 2009 14:52:43 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0025_01CA6470.F4923DE0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 This is a multi-part message in MIME format. ------=_NextPart_000_0025_01CA6470.F4923DE0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Their website doesnt indicate that they carry 321SS. If you are going to = go to the trouble of welding up an exhaust system I'd make it out of = 321, not 304. The Vetterman exhausts that are so popular with the RV = crowd are all 321 and thats for a Lyc with exhaust temps several hundred = degrees cooler. I can highly recommend Custom Aircraft Parts = http://www.customaircraft.com/ . They are local to me and I've bought = from them as well as Burns. Neither is cheap but their stuff is good. = Custom Aircraft will also build complete exhaust systems as well. They = work primarily on certified engines but are willing to work on anything. = Workmanship that i saw in their shop is top notch. Mike Wills RV-4 N144MW ----- Original Message -----=20 From: kevin lane=20 To: Rotary motors in aircraft=20 Sent: Friday, November 13, 2009 11:30 AM Subject: [FlyRotary] renesis stock exhaust flange I didn't come across this fact in the archives and thought I'd pass it = on. the stock exhaust flanges appear to be made from powdered metal. = when you attempt to weld to them the base metal breaks off very easily. = I was going to modify the stock exhaust, then was talked into a new = header, using the original flanges. it's only money. better to break = on the workbench, no? I ordered a new 304 flange from ed klepis today. = BTW, Columbia River Mandrel Bending supplies Burns with parts and costs = 1/3 to 1/2 the price, plus sells schedule 10 tubing & elbows [.090 wall] = as well. they have been good to deal with. = http://www.mandrel-bends.com/catalog/contact-us.html kevin interesting to watch mandrel bending. they pull this "chain" of brass = doughnuts thru the tube while bending it. ------=_NextPart_000_0025_01CA6470.F4923DE0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Their website doesnt indicate that they = carry=20 321SS. If you are going to go to the trouble of welding up an exhaust = system I'd=20 make it out of 321, not 304. The Vetterman exhausts that are so popular = with the=20 RV crowd are all 321 and thats for a Lyc with exhaust temps several = hundred=20 degrees cooler.
 
I can highly recommend Custom Aircraft = Parts http://www.customaircraft.com/ .=20 They are local to me and I've bought from them as well as Burns. Neither = is=20 cheap but their stuff is good. Custom Aircraft will also build complete = exhaust=20 systems as well. They work primarily on certified engines but are = willing to=20 work on anything. Workmanship that i saw in their shop is top=20 notch.
 
Mike Wills
RV-4 N144MW
----- Original Message -----
From:=20 kevin = lane=20
Sent: Friday, November 13, 2009 = 11:30=20 AM
Subject: [FlyRotary] renesis = stock=20 exhaust flange

I didn't come across this fact in = the archives=20 and thought I'd pass it on.  the stock exhaust flanges appear to = be made=20 from powdered metal.  when you attempt to weld to them the base = metal=20 breaks off very easily.  I was going to modify the stock exhaust, = then=20 was talked into a new header, using the original flanges.  it's = only=20 money.  better to break on the workbench, no?  I ordered a = new 304=20 flange from ed klepis today.  BTW, Columbia River Mandrel Bending = supplies Burns with parts and costs 1/3 to 1/2 the price, plus sells = schedule=20 10 tubing & elbows [.090 wall] as well.  they have been = good to=20 deal with.   http://www.= mandrel-bends.com/catalog/contact-us.html    =20 kevin
 
interesting to watch mandrel = bending. =20 they pull this "chain" of brass doughnuts thru the tube while bending=20 it.
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