X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from qw-out-2122.google.com ([74.125.92.26] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3644743 for flyrotary@lancaironline.net; Sun, 17 May 2009 10:12:09 -0400 Received-SPF: pass receiver=logan.com; client-ip=74.125.92.26; envelope-from=rwstracy@gmail.com Received: by qw-out-2122.google.com with SMTP id 8so1872600qwh.25 for ; Sun, 17 May 2009 07:11:32 -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=bFmMAYi5rpIaI5CBjPpRODEirNK2EIPmpJsVWFH8ZTY=; b=AgrWMzJjzGaXTWwaYywwGiCbtvszr/Cpc4WWZENPOALP6qS4xlbKIsj2EP6GYloTCr aHHEZGWN2sQ5yR7iDodGbRzgtQSEN37zRtKeFgcgr96lXDrszJOakfIloOPOXGoqSq9q EYcDYZ//OoMMZYEzm4yKaQgB6fh6fglC6x/bg= 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=Dl3BS5xnrTKOOxuy+ZYoDxK/lxfPaj2HDOPvd1/0ZvZQBFEjOPOyyAsrGHC21qrX8u FatnKgRNiSmD1vXiERrWSmX23o2T/gme8lfLYpbjsUkfkBpTBU2mNkoYQyJMg+hhdUWQ 0mtFYnUAneCNVB3m1ypFFrCYpO6FETsBOCv30= MIME-Version: 1.0 Sender: rwstracy@gmail.com Received: by 10.224.32.77 with SMTP id b13mr5559513qad.203.1242569492692; Sun, 17 May 2009 07:11:32 -0700 (PDT) In-Reply-To: References: Date: Sun, 17 May 2009 10:11:32 -0400 X-Google-Sender-Auth: f38cc128701ab565 Message-ID: <1b4b137c0905170711j3156b668vb6712b34952a1325@mail.gmail.com> Subject: Re: [FlyRotary] 20b Exhaust From: Tracy Crook To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary=00151757467a3880e8046a1c4141 --00151757467a3880e8046a1c4141 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit In general, the bigger the exit pipe, the louder the exhaust will be. I used 2.25" which I think is about the minimum for a 20B. Tracy On Sat, May 16, 2009 at 9:28 AM, wrote: > I have fabricated my exhaust manifold/tangential muffler for my 20b. All I > have left is to fit and weld the exhaust pipe. I would like opinions on the > size the exhaust pipe should be. This is in a pusher application (Velocity) > with a relatively short run from the muffler to the exit point. Similar > installation to Al G. > > Thanks, > Joe > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > --00151757467a3880e8046a1c4141 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable In general, the bigger the exit pipe, the louder the exhaust will be.=A0 I = used 2.25" which I think is about the minimum for a 20B.

Tracy<= br>
On Sat, May 16, 2009 at 9:28 AM, <jewen@comporium.net> wrote:
I have fabricated= my exhaust manifold/tangential muffler for my 20b. =A0All I have left is t= o fit and weld the exhaust pipe. =A0I would like opinions on the size the e= xhaust pipe should be. =A0This is in a pusher application (Velocity) with a= relatively short run from the muffler to the exit point. =A0Similar instal= lation to Al G.

Thanks,
Joe


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Homepage: =A0http:/= /www.flyrotary.com/
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