Return-Path: <13brv3@bellsouth.net> Received: from imf20aec.mail.bellsouth.net ([205.152.59.68] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 2912615 for flyrotary@lancaironline.net; Wed, 31 Dec 2003 19:26:02 -0500 Received: from rad ([68.155.98.142]) by imf20aec.mail.bellsouth.net (InterMail vM.5.01.06.05 201-253-122-130-105-20030824) with ESMTP id <20040101002601.NMKL1881.imf20aec.mail.bellsouth.net@rad> for ; Wed, 31 Dec 2003 19:26:01 -0500 From: "Russell Duffy" <13brv3@bellsouth.net> To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: exhaust flange? Date: Wed, 31 Dec 2003 18:26:04 -0600 Message-ID: <00e201c3cffd$d7bae090$6001a8c0@rad> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00E3_01C3CFCB.8D207090" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.4510 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_00E3_01C3CFCB.8D207090 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable I use RTV as a sort of gasket. If there is no gasket, it cannot blow = out. I put it on thicker around the outer parts of the flange and thinner close = to the hole. Let it gel up for 10 minutes before you torque it down. Any bit = that extrudes into the port area will vanish. Retorque after the first heat cycle. No leaks since 1980. You must grind the whole flange dead flat once all of = the welding is completed. Lynn E. Hanover =20 Thanks for the extra info Lynn. Still hard to believe this RTV thing, = but I'll give it a try. I feel like I should be paying for this course in fabrication :-) =20 =20 BTW, In your honor, I hit the Ace aircraft supply today, in search of = rubber bushings for my evap mounts. =20 =20 Cheers, Rusty (When Lynn types, I archive) =20 ------=_NextPart_000_00E3_01C3CFCB.8D207090 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Message

I use RTV as a sort of gasket. If there is no gasket, = it cannot=20 blow out. I
put it on thicker around the outer parts of the flange = and=20 thinner close to the
hole. Let it gel up for 10 minutes before you = torque it=20 down. Any bit that
extrudes into the port area will vanish. Retorque = after=20 the first heat cycle. No
leaks since 1980. You must grind the whole = flange=20 dead flat once all of the
welding is completed.

Lynn E.=20 Hanover

 
Thanks = for the extra=20 info Lynn.  Still hard to believe this RTV thing, but I'll give it=20 a try.   I feel like I should be paying for this course = in=20 fabrication :-)  
 
BTW, In your honor, I hit the = Ace aircraft=20 supply today, in search of rubber bushings for my evap mounts. =20
 
Cheers,
Rusty = (When Lynn types,=20 I archive) 


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