Return-Path: Received: from [65.54.169.116] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 2912464 for flyrotary@lancaironline.net; Wed, 31 Dec 2003 15:08:44 -0500 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Wed, 31 Dec 2003 12:08:42 -0800 Received: from 67.25.178.217 by bay3-dav86.adinternal.hotmail.com with DAV; Wed, 31 Dec 2003 20:08:42 +0000 X-Originating-IP: [67.25.178.217] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: exhaust flange? Date: Wed, 31 Dec 2003 15:08:42 -0500 MIME-Version: 1.0 X-Mailer: MSN Explorer 7.02.0011.2700 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0007_01C3CFAF.FA4E7CA0" Message-ID: X-OriginalArrivalTime: 31 Dec 2003 20:08:42.0765 (UTC) FILETIME=[E377FBD0:01C3CFD9] ------=_NextPart_001_0007_01C3CFAF.FA4E7CA0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I've been using Lynn's suggestion on the exhaust flange RTV for a couple = of years now. Works great even on my 3/16" thin lightweight flanges whic= h were virtually impossible to get leak free when using the standard gask= et. Tracy Crook >I use RTV as a sort of gasket. If there is no gasket, it cannot blow out= I =20 >put it on thicker around the outer parts of the flange and thinner close= to the =20 >hole. Let it gel up for 10 minutes before you torque it down. Any bit th= at =20 >extrudes into the port area will vanish. Retorque after the first heat c= ycle. No =20 >leaks since 1980. You must grind the whole flange dead flat once all of = the =20 >welding is completed. > >Lynn E. Hanover > If I get you right you are suggesting that we do away with the rotor =20 housing to header gasket? Just make sure the header is damn flat on =20 that surface and use RTV? What kind of heat can that stuff take? Incidentally, I would like to take a minute to thank you for the time =20 and effort you have taken to literally educate some of those of us on =20 the list (myself included) about the many things mechanical and rotary =20 that you have experienced. It is appreciated more than you know. A lot =20 of us will be safer because of your efforts. Any list has a lot of BS ... but when I see your name on the sender =20 line, it always gets read! Good Luck in the upcoming 2004 season, both racing and flying, Dale Smith ------=_NextPart_001_0007_01C3CFAF.FA4E7CA0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I've been usin= g Lynn's suggestion on the exhaust flange RTV for a couple of years now.&= nbsp; Works great even on my 3/16" thin lightweight flanges which were vi= rtually impossible to get leak free when using the standard gasket.

Tracy Crook

>I use RTV as a sort of= gasket. If there is no gasket, it cannot blow out. I
>put it on t= hicker 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
>

If I get you right you are suggesting= that we do away with the rotor
housing to header gasket? Just = make sure the header is damn flat on
that surface and use RTV? = What kind of heat can that stuff take?

Incidentally, I would like = to take a minute to thank you for the time
and effort you have taken = to literally educate some of those of us on
the list (myself included= ) about the many things mechanical and rotary
that you have experienc= ed. It is appreciated more than you know. A lot
of us wil= l be safer because of your efforts.

Any list has a lot of BS ... b= ut when I see your name on the sender
line, it always gets read!
<= BR>Good Luck in the upcoming 2004 season, both racing and flying,

= Dale Smith

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