Return-Path: Received: from relay03.roc.ny.frontiernet.net ([66.133.131.36] verified) by logan.com (CommuniGate Pro SMTP 4.1.5) with ESMTP id 2633666 for flyrotary@lancaironline.net; Sun, 12 Oct 2003 10:06:08 -0400 Received: (qmail 1454 invoked from network); 12 Oct 2003 14:06:07 -0000 Received: from unknown (HELO frontiernet.net) ([170.215.97.8]) (envelope-sender ) by relay03.roc.ny.frontiernet.net (FrontierMTA 2.3.6) with SMTP for ; 12 Oct 2003 14:06:07 -0000 Message-ID: <3F8951EF.A23758D7@frontiernet.net> Date: Sun, 12 Oct 2003 09:06:55 -0400 From: Jim Sower X-Mailer: Mozilla 4.77 [en] (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: solo's & Delta T... no more emergencies References: Content-Type: multipart/alternative; boundary="------------FCC1F84C6C65F3333CDD8332" --------------FCC1F84C6C65F3333CDD8332 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit <... I've considered adding a set of louvers on the right side of the cowl and ducting the right rad outlet to exit the louvers ....> If you try this, you might want to take care to avoid "rooster tail" exit drag. Studies have shown that is a real significant component of drag. Canard folks have picked up significant airspeed by making them go away. Best ... Jim S. --------------FCC1F84C6C65F3333CDD8332 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit <... I've considered adding a set of louvers on the right side of the cowl and ducting the right rad outlet to exit the louvers ...>
If you try this, you might want to take care to avoid "rooster tail" exit drag. Studies have shown that is a real significant component of drag. Canard folks have picked up significant airspeed by making them go away.
Best ... Jim S.

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