X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from outbound-mail-353.bluehost.com ([66.147.249.14] verified) by logan.com (CommuniGate Pro SMTP 5.2.16) with SMTP id 3871217 for flyrotary@lancaironline.net; Thu, 01 Oct 2009 12:02:41 -0400 Received-SPF: pass receiver=logan.com; client-ip=66.147.249.14; envelope-from=jslade@canardaviation.com Received: (qmail 19836 invoked by uid 0); 1 Oct 2009 16:02:04 -0000 Received: from unknown (HELO host296.hostmonster.com) (66.147.240.96) by outboundproxy7.bluehost.com.bluehost.com with SMTP; 1 Oct 2009 16:02:04 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=canardaviation.com; h=Received:Message-ID:Date:From:User-Agent:MIME-Version:To:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding:X-Identified-User; b=NaceJ3eFCzTkgVgiLWRPDKriUg+nwdq1miBOkt/eRMfBHj1WEeGpGLRkvUVNt29MV42XU12hO4iru9BReaSAzy4Js/RemerdYm+/U9FFPllVaWkmSX3V9bMPwzIDMgSO; Received: from c-76-108-115-200.hsd1.fl.comcast.net ([76.108.115.200] helo=[192.168.1.4]) by host296.hostmonster.com with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.69) (envelope-from ) id 1MtO6W-0004jg-Le for flyrotary@lancaironline.net; Thu, 01 Oct 2009 10:02:04 -0600 Message-ID: <4AC4D279.5070009@canardaviation.com> Date: Thu, 01 Oct 2009 12:02:01 -0400 From: John Slade User-Agent: Thunderbird 1.5.0.14 (Windows/20071210) MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: Quiet is Deafening References: In-Reply-To: Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Identified-User: {3339:host296.hostmonster.com:instanu1:canardaviation.com} {sentby:smtp auth 76.108.115.200 authed with jslade+canardaviation.com}
>What kind of muffler are you running?  Is it working? 
Its a Turbonetics T04 turbo, and yes, it works quite well.  Also has a few other side benefits. :)
Of course, building the airplane out of foam and fiberglass rather than metal helps deaden the vibrations too.
Regards,
John

Mark Steitle wrote:
John,
 
What kind of muffler are you running?  Is it working? 

Mark
On Thu, Oct 1, 2009 at 10:48 AM, John Slade <jslade@canardaviation.com> wrote:
>You just need to fly at Mach 1 so you stay ahead of the sound.
No need to go Mach 1. Just put the engine on the back, where it's supposed to be. :)


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