X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 17 Jan 2012 11:41:36 -0500 Message-ID: X-Original-Return-Path: Received: from nschwmtas04p.mx.bigpond.com ([61.9.189.146] verified) by logan.com (CommuniGate Pro SMTP 5.4.3) with ESMTP id 5352701 for lml@lancaironline.net; Mon, 16 Jan 2012 20:03:59 -0500 Received-SPF: pass receiver=logan.com; client-ip=61.9.189.146; envelope-from=frederickmoreno@bigpond.com Received: from nschwcmgw09p ([61.9.190.169]) by nschwmtas04p.mx.bigpond.com with ESMTP id <20120117010323.PALX2025.nschwmtas04p.mx.bigpond.com@nschwcmgw09p> for ; Tue, 17 Jan 2012 01:03:23 +0000 Received: from Razzle ([58.165.11.246]) by nschwcmgw09p with BigPond Outbound id NR3E1i00G5JWv5W01R3Mds; Tue, 17 Jan 2012 01:03:23 +0000 X-Authority-Analysis: v=2.0 cv=SYh1h4tu c=1 sm=1 a=Ap2HPOVkqcVN/0SrKbfd8g==:17 a=JDadKst33uMA:10 a=IkcTkHD0fZMA:10 a=Ia-xEzejAAAA:8 a=jtDREUJGvYpNs47b02cA:9 a=3Gjyw7MbFDC0dOzweXwA:7 a=QEXdDO2ut3YA:10 a=EzXvWhQp4_cA:10 a=69EAbJreAAAA:8 a=pedpZTtsAAAA:8 a=yvoLlEvQAXo73cAFJ5wA:9 a=56YOpGRu38bqaO9RhCgA:7 a=EfJqPEOeqlMA:10 a=eJojReuL3h0A:10 a=Ap2HPOVkqcVN/0SrKbfd8g==:117 MIME-Version: 1.0 X-Original-Message-Id: <4F14C8C6.000024.03988@RAZZLE> X-Original-Date: Tue, 17 Jan 2012 09:03:03 +0800 Content-Type: Multipart/Alternative; charset="utf-8"; boundary="------------Boundary-00=_294XVW72QL8000000000" X-Mailer: IncrediMail (6244788) From: "Frederick Moreno" X-FID: FLAVOR00-NONE-0000-0000-000000000000 X-Priority: 3 X-Original-To: "Lancair Mail (lml@lancaironline.net)" Subject: Fw: Re: Exhaust system --------------Boundary-00=_294XVW72QL8000000000 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Many certified aircraft have a FLEXIBLE attachment where the exhaust pipe exits under the firewall. Go look at a Cirrus. Depending on year, many = use springs towards the back to support the pipe. It relieves weight, but le= ts the pipe shake rattle and roll as the engine does the same. Works fine.=20 Other certified aircraft use a rubber coupling with metal fittings at the end to do the same thing, same as is common in automobile exhaust system= s.=20 =0D =0D But Paul is right: never attach it rigidly to anything but the engine.=0D =0D Fred=0D =0D =0D =0D =0D -------Original Message-------=0D =0D From: Gary Edwards=0D Date: 17/01/2012 3:41:50 AM=0D To: lml@lancaironline.net=0D Subject: Re: Exhaust system=0D =0D Why not?=0D =0D Back in the day it was recommended to fasten the tail end of the exhaust with a spring to an engine mount bar near the firewall to help dampen the vibration of the extended length of the headers from the engine. My exha= ust system has it.=0D =0D The age of the plane is almost 13 years now with nary a problem with the exhaust system since the test period during the first year.=0D =0D Gary Edwards=0D LNC2=0D ----- Original Message ----- =0D From: PAUL HERSHORIN =0D To: lml@lancaironline.net =0D Sent: Monday, January 16, 2012 5:18 AM=0D Subject: [LML] Re: Exhaust system=0D =0D =0D Ed--do not fasten it to the plane. As your engine settles this will chan= ge the angle of the exhaust, if attached to the plane it will rip out or the exhaust will come lose at the end. The only connection of the exhaust should be directly to the engine and each section of the exhaust to the other exhaust pipes.=0D Paul Hershorin=0D =0D =20 --------------Boundary-00=_294XVW72QL8000000000 Content-Type: Text/HTML; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Many certified aircraft have a FLEXIBLE attachment where the exhaust= pipe exits under the firewall.  Go look at a Cirrus.  Dependin= g on year, many use springs towards the back to support the pipe.  I= t relieves weight, but lets the pipe shake rattle and roll as t= he engine does the same.  Works fine.  Other certified aircraft= use a rubber coupling with metal fittings at the end to do the same thin= g, same as is common in automobile exhaust  systems. 
 
But Paul is right: never attach it rigidly to anything but the engin= e.
 
Fred
 
 
 
 
-= ------Original Message-------
 
Date: 17/01/2012 3= :41:50 AM
Subject: Re: Exhau= st system
 
Why not?
 
Back in the day it was recommended to fasten the tail end of the exh= aust with a spring to an engine mount bar near the firewall to help dampe= n the vibration of the extended length of the headers from the engine.&nb= sp; My exhaust system has it.
 
The age of the plane is almost 13 years now with nary a problem= with the exhaust system since the test period during the first= year.
 
Gary Edwards
LNC2
----- Original Message -----
Sent: Monday, January 16, 2012 5:1= 8 AM
Subject: [LML] Re: Exhaust system<= /DIV>

Ed--do not fasten it to the plane.  As your engine settles this= will change the angle of the exhaust, if attached to the plane it will r= ip out or the exhaust will come lose at the end.  The only connectio= n of the exhaust should be directly to the engine and each section of the= exhaust to the other exhaust pipes.
Paul Hershorin
 
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