X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 10 [X] Return-Path: Received: from fed1rmmtao106.cox.net ([68.230.241.40] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with ESMTP id 2021812 for flyrotary@lancaironline.net; Wed, 02 May 2007 13:21:43 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.40; envelope-from=tonyslongez@cox.net Received: from fed1rmimpo01.cox.net ([70.169.32.71]) by fed1rmmtao106.cox.net (InterMail vM.7.05.02.00 201-2174-114-20060621) with ESMTP id <20070502172049.EHGM6556.fed1rmmtao106.cox.net@fed1rmimpo01.cox.net>; Wed, 2 May 2007 13:20:49 -0400 Received: from fed1wml09.mgt.cox.net ([172.18.180.10]) by fed1rmimpo01.cox.net with bizsmtp id uHLp1W00b0DrMWL0000000; Wed, 02 May 2007 13:20:50 -0400 Received: from 72.193.240.142 by webmail.west.cox.net; Wed, 2 May 2007 13:20:49 -0400 Message-ID: <17833005.1178126450103.JavaMail.root@fed1wml09.mgt.cox.net> Date: Wed, 2 May 2007 10:20:50 -0700 From: To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: Can anyone tell me if this will work Cc: Joe Hull MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) Sensitivity: Normal ---- Joe Hull wrote: > Tony, > I did something like you are proposing on my Cozy. It worked - but > performance wasn't the best. Primarily for 2 reasons: 1) too short; and, 2) > sharp edges at the intake opening. > After 50 hours of flying with the original setup (like yours), I made two > independent tubes from fiberglass that mated with the intake opening then > extended them forward about 12" and terminated them in the air filter box > with a generous bell mouth and rounded edges. The air filter box was > attached to an armpit scoop. > > Pic Intake5a.jpg was the original intake. > Pic Intake-New1.jpg is the new intake. > > Performance was much better with this mod. > Performance also increased dramatically when I modified the exhaust to a > tuned exhaust instead of the "Tangential-Can" type manifold (too much back > pressure). > > Hope that helps. > > Joe Hull > Redmond/Seattle WA, Cozy-Mark-IV - 71hrs > Thanks Joe Yup the wheel are turning. I'll post more pics and see what you guys think. Tony