Return-Path: Received: from bewersdorff.com ([192.220.83.90] verified) by logan.com (CommuniGate Pro SMTP 4.1.5) with SMTP id 2633846 for flyrotary@lancaironline.net; Sun, 12 Oct 2003 12:34:26 -0400 Received: (qmail 52176 invoked by uid 21338); 12 Oct 2003 16:34:25 -0000 Received: from unknown (HELO rapunzel) ([216.101.149.124]) (envelope-sender ) by 192.220.83.90 (qmail-ldap-1.03) with SMTP for ; 12 Oct 2003 16:34:25 -0000 From: "Marko Bewersdorff" To: "Rotary motors in aircraft" Subject: RE: [FlyRotary] Re: solo's & Delta T... no more emergencies Date: Sun, 12 Oct 2003 09:33:10 -0700 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_059F_01C390A3.D9F18920" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 In-Reply-To: Importance: Normal This is a multi-part message in MIME format. ------=_NextPart_000_059F_01C390A3.D9F18920 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit What is roster tail drag? how and where does it get created? Is there anything about that written up on the net? I'd like to know since I'm in the process of figuring out where to put my radiators in the Long EZ. Thanks Marko -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Jim Sower Sent: Sunday, October 12, 2003 6:07 AM To: Rotary motors in aircraft Subject: [FlyRotary] Re: solo's & Delta T... no more emergencies <... 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. ------=_NextPart_000_059F_01C390A3.D9F18920 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

What=20 is roster tail drag? how and where does it get created? Is there = anything about=20 that written up on the net?

I'd=20 like to know since I'm in the process of figuring out where to put my = radiators=20 in the Long EZ.

Thanks

Marko

-----Original Message-----
From: Rotary motors in = aircraft=20 [mailto:flyrotary@lancaironline.net]On Behalf Of Jim=20 Sower
Sent: Sunday, October 12, 2003 6:07 AM
To: = Rotary=20 motors in aircraft
Subject: [FlyRotary] Re: solo's & = Delta T...=20 no more emergencies

<... I've considered adding a set of = louvers on the=20 right side of the cowl and ducting the right rad outlet to exit the = louvers=20 ...>
If you try this, you might want to take care to avoid = "rooster tail"=20 exit drag. Studies have shown that is a real significant = component of=20 drag. Canard folks have picked up significant airspeed by making = them go=20 away.
Best ... Jim S.

=20 ------=_NextPart_000_059F_01C390A3.D9F18920--