X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-d01.mx.aol.com ([205.188.157.39] verified) by logan.com (CommuniGate Pro SMTP 5.2.13) with ESMTP id 3598173 for flyrotary@lancaironline.net; Mon, 27 Apr 2009 12:27:46 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.157.39; envelope-from=WRJJRS@aol.com Received: from imo-da01.mx.aol.com (imo-da01.mx.aol.com [205.188.169.199]) by imr-d01.mx.aol.com (v107.10) with ESMTP id RELAYIN2-349f5dc2ca; Mon, 27 Apr 2009 12:24:12 -0400 Received: from WRJJRS@aol.com by imo-da01.mx.aol.com (mail_out_v40_r1.5.) id q.c9f.4cb20011 (34921) for ; Mon, 27 Apr 2009 12:23:56 -0400 (EDT) Received: from smtprly-da02.mx.aol.com (smtprly-da02.mx.aol.com [205.188.249.145]) by cia-da03.mx.aol.com (v123.3) with ESMTP id MAILCIADA036-5bb349f5dc151f8; Mon, 27 Apr 2009 12:23:55 -0400 Received: from MBLK-M35 (mblk-m35.mblk.aol.com [64.12.136.79]) by smtprly-da02.mx.aol.com (v123.3) with ESMTP id MAILSMTPRLYDA022-5bb349f5dc151f8; Mon, 27 Apr 2009 12:23:49 -0400 References: To: flyrotary@lancaironline.net Subject: Re: [FlyRotary] Epoxies vs welding Date: Mon, 27 Apr 2009 12:23:49 -0400 X-AOL-IP: 205.188.169.199 In-Reply-To: X-MB-Message-Source: WebUI MIME-Version: 1.0 From: wrjjrs@aol.com X-MB-Message-Type: User Content-Type: multipart/alternative; boundary="--------MB_8CB956BAE7775F4_1010_1096_MBLK-M35.sysops.aol.com" X-Mailer: AOL Webmail 42679-STANDARD Received: from 66.253.96.220 by MBLK-M35.sysops.aol.com (64.12.136.79) with HTTP (WebMailUI); Mon, 27 Apr 2009 12:23:49 -0400 Message-Id: <8CB956BAE5D3C37-1010-83B@MBLK-M35.sysops.aol.com> X-Spam-Flag:NO ----------MB_8CB956BAE7775F4_1010_1096_MBLK-M35.sysops.aol.com Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii" Al, Many engine builders use JB weld or an equivelent to fill low spots in the intake ports! I never liked the idea but I have seen a couple of engines using epoxy in the intake, in the head itself on an air cooled engine with no problems. Nobody was more impressed than?I.?Better living through chemistry. Bill Jepson? -----Original Message----- From: Al Gietzen To: Rotary motors in aircraft Sent: Sun, 26 Apr 2009 11:25 pm Subject: [FlyRotary] Epoxies vs welding On another note, has anyone contemplated using the two part puttys in areas like intake manifold construction. I saw some in HD that claims good for temps up to 450. I'm hesitant, but this stuff seems to be a cousin to JB Weld. Bryan JB weld ( and similar) is wonderful stuff that adheres to almost anything, and is amazingly strong. So if need things to hold together and make a good seal - great. But if you need real strength, anything that just adheres to the surface is not going to be as strong as a good weld. So consider your application, and what it has to do, and then decide. FWIW, Al G -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html ----------MB_8CB956BAE7775F4_1010_1096_MBLK-M35.sysops.aol.com Content-Transfer-Encoding: 7bit Content-Type: text/html; charset="us-ascii" Al,
Many engine builders use JB weld or an equivelent to fill low spots in the intake ports! I never liked the idea but I have seen a couple of engines using epoxy in the intake, in the head itself on an air cooled engine with no problems. Nobody was more impressed than I. Better living through chemistry.
Bill Jepson 


-----Original Message-----
From: Al Gietzen <ALVentures@cox.net>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Sun, 26 Apr 2009 11:25 pm
Subject: [FlyRotary] Epoxies vs welding


On another note, has anyone contemplated using the two part puttys in areas
like intake manifold construction.  I saw some in HD that claims good for
temps up to 450.  I'm hesitant, but this stuff seems to be a cousin to JB
Weld.
Bryan  

JB weld ( and similar) is wonderful stuff that adheres to almost anything,
and is amazingly strong.  So if need things to hold together and make a good
seal - great.  But if you need real strength, anything that just adheres to
the surface is not going to be as strong as a good weld.  So consider your
application, and what it has to do, and then decide.

FWIW,

Al G


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