X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from qw-out-2122.google.com ([74.125.92.24] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with ESMTP id 3812581 for flyrotary@lancaironline.net; Thu, 13 Aug 2009 21:02:38 -0400 Received-SPF: pass receiver=logan.com; client-ip=74.125.92.24; envelope-from=rwstracy@gmail.com Received: by qw-out-2122.google.com with SMTP id 3so397979qwe.25 for ; Thu, 13 Aug 2009 18:02:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to :content-type; bh=GzuLCdYHVOgnCk0JOaCblyRumtmnCJd3zECP2x31zQQ=; b=rMMs+E1v44HaF4COFxuoKqr3fuGnCXLML+BId7gHplfCPwc0zN0IX58FxbgS3g4UgR nr4BZ0WrwO9b2VpbiVAnpwmjrMCVON+xk4bfbmXwmfPFKMNIRheGBbiS82SxPHV5IW1n epjog27zBsWU77mfyOeyQC7C1gchka8R19MaQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:content-type; b=hrZZ5PbVmpvPRWxH9ESaGBN4O3eopOfcZmSz36pFIPUdZcGP5UEgplHcg4Yen+xC55 y+NwtIllzC4P1MDR8y1ohGdKhNs41FntykpSfB1HK6R/Mg4UKI24HXcz6ZAjf+YdH8ht PpQhGEBVFejVqMOjfNF7E6czsGsuzpLkdeKY0= MIME-Version: 1.0 Sender: rwstracy@gmail.com Received: by 10.224.14.81 with SMTP id f17mr1867512qaa.124.1250211723167; Thu, 13 Aug 2009 18:02:03 -0700 (PDT) In-Reply-To: References: Date: Thu, 13 Aug 2009 21:02:03 -0400 X-Google-Sender-Auth: 9c983b21ec95c308 Message-ID: <1b4b137c0908131802x70d7f9d7ldacd220ce3256029@mail.gmail.com> Subject: Re: [FlyRotary] Re: Moving muffler to belly From: Tracy Crook To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=001485ecd28ca74c1c04710f9987 --001485ecd28ca74c1c04710f9987 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit I riveted the rear mount where one of the fuselage bulkheads supports the skin. Worked great. Tracy On Thu, Aug 13, 2009 at 9:27 PM, Bobby J. Hughes wrote: > Thanks for the input everyone. The front of the muffler can be supported > from the motor mount. The rear muffler mount is the dilemma. I hate the idea > of an external doubler but I think it really needs one. > > Bobby > > ------------------------------ > *From:* Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] *On > Behalf Of *Tracy Crook > *Sent:* Thursday, August 13, 2009 12:10 PM > *To:* Rotary motors in aircraft > *Subject:* [FlyRotary] Re: Moving muffler to belly > > Mine is less than 1" from the belly to keep it in the turbulent slipstream > behind the cooling exit and avoid drag. A .007" thick piece of SS heat > shield is riveted to the belly in this area. The SS expands when heated and > creates its own airgap for insulation. > > Tracy > > On Thu, Aug 13, 2009 at 10:08 AM, Bobby J. Hughes wrote: > >> I've had the plane down for a few weeks making several changes. I would >> like to move my muffler out of the cowl to the airframe belly. How much >> space should I leave between the top of the muffler and bottom skin? My exit >> fairing hangs down about 5" below the airframe. What have others done for >> heat shielding \ paint protection? Since the floor pans are installed any >> riveting will have to be with blind rivets. Don't really want to put a bunch >> of extra holes in the skin for this experiment. Any advice or pictures would >> be appreciated. >> >> Thanks, >> >> Bobby Hughes >> RV-10 >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: >> http://mail.lancaironline.net:81/lists/flyrotary/List.html >> >> > --001485ecd28ca74c1c04710f9987 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable I riveted the rear mount where one of the fuselage bulkheads supports the s= kin.=A0 Worked great.

Tracy

On Thu= , Aug 13, 2009 at 9:27 PM, Bobby J. Hughes <bhughes@qnsi.net> wrote:
Thanks for the input everyone. The front of the muffler=20 can be supported from the motor mount. The rear muffler mount is the dilemm= a. I=20 hate the idea of an external doubler but I think it really needs=20 one.
=A0
Bobby

From: Rotary motors in aircraft=20 [mailto:fl= yrotary@lancaironline.net] On Behalf Of Tracy=20 Crook
Sent: Thursday, August 13, 2009 12:10 PM
To: Rota= ry=20 motors in aircraft
Subject: [FlyRotary] Re: Moving muffler to=20 belly

Mine is less than 1" from the belly to keep it in the turbu= lent=20 slipstream behind the cooling exit and avoid drag.=A0 A .007" thick pi= ece of=20 SS heat shield is riveted to the belly in this area.=A0 The SS expands when= =20 heated and creates its own airgap for insulation.

Tracy=A0

On Thu, Aug 13, 2009 at 10:08 AM, Bobby J. Hughe= s <bhughes@qnsi.net>=20 wrote:
I've had the plane down fo= r a few weeks=20 making several changes. I would like to move my muffler out of the cowl t= o the=20 airframe belly. How much space should I leave between the top of the muff= ler=20 and bottom skin? My exit fairing hangs down about 5" below the airfr= ame. What=20 have others done for heat shielding \ paint protection?=A0Since the floor= =20 pans are installed any riveting will have to be with blind rivets. Don= 9;t=20 really want to put a bunch of extra holes in the skin for this experiment= . Any=20 advice=A0or pictures would be appreciated.
=A0
Thanks,
=A0
Bobby Hughes
RV-10

--
Homepage: =A0http://www.flyrotary.com/
Archive and UnSub: =A0 = http://mail.lancaironline.net:81/lists/flyrotary/List.html



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