X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imf20aec.mail.bellsouth.net ([205.152.59.68] verified) by logan.com (CommuniGate Pro SMTP 5.1c.5) with ESMTP id 1453378 for flyrotary@lancaironline.net; Tue, 10 Oct 2006 08:50:19 -0400 Received-SPF: none receiver=logan.com; client-ip=205.152.59.68; envelope-from=rusty@radrotary.com Received: from ibm62aec.bellsouth.net ([65.6.194.9]) by imf20aec.mail.bellsouth.net with ESMTP id <20061010124945.YSNT431.imf20aec.mail.bellsouth.net@ibm62aec.bellsouth.net> for ; Tue, 10 Oct 2006 08:49:45 -0400 Received: from rd ([65.6.194.9]) by ibm62aec.bellsouth.net with ESMTP id <20061010124945.UKDP7948.ibm62aec.bellsouth.net@rd> for ; Tue, 10 Oct 2006 08:49:45 -0400 From: "Russell Duffy" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Exhaust Update Date: Tue, 10 Oct 2006 07:49:46 -0500 Message-ID: <000d01c6ec6a$90bcab10$6e01a8c0@rd> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000E_01C6EC40.A7E6A310" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2962 In-Reply-To: Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_000E_01C6EC40.A7E6A310 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable >Just a heads up - it looks like your new "header flange to pipe" = (picture 5) was welded on the >outside. I think that 'acceptable practices' = state that there should only be a tack weld on the >outside and the actual structural weld should be on the inside. What does everyone else say? = In >any event be sure to keep an eye on the welds.=20 =20 Hi Ken, =20 The couple exhausts that I've welded were tacked on the outside, and = welded on the inside, though I've never seen a commercial system done that way. = My primary reason for welding the inside is that it's a MUCH easier weld = for me to make, and if it's ugly, no one will see it :-) The downside is that everyone looks at the tacks on the outside, and says "You forgot to = finish welding this." :-) =20 Rusty (RV-8 in the hanger, single rotor stuff coming home to the garage) =20 ------=_NextPart_000_000E_01C6EC40.A7E6A310 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
>Just a heads up = - it=20 looks like your new "header flange to pipe" (picture 5) was welded = on the=20 >outside.  I=20 think that 'acceptable practices' state that there should only be a tack = weld on=20 the >outside and the=20 actual structural weld should be on the inside.  What does everyone = else=20 say?   In >any event be sure to keep an eye = on the=20 welds. 
 
Hi=20 Ken,
 
The couple=20 exhausts that I've welded were tacked on the outside, and welded on = the=20 inside, though I've never seen a commercial system done that way.  = My=20 primary reason for welding the inside is that it's a = MUCH easier weld=20 for me to make, and if it's ugly, no one will see it :-)  The = downside is=20 that everyone looks at the tacks on the outside, and says "You forgot to = finish welding this." :-)
 
Rusty (RV-8=20 in the hanger, single rotor stuff coming home to the = garage)
 
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