Return-Path: Received: from [24.25.9.102] (HELO ms-smtp-03-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 3102809 for flyrotary@lancaironline.net; Fri, 19 Mar 2004 16:45:24 -0500 Received: from edward (clt78-020.carolina.rr.com [24.93.78.20]) by ms-smtp-03-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id i2JLjLs2016392 for ; Fri, 19 Mar 2004 16:45:22 -0500 (EST) Message-ID: <003e01c40dfb$7d5c4d50$2402a8c0@edward> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Cooling Ducts Date: Fri, 19 Mar 2004 16:45:26 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_003B_01C40DD1.9445E0F0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_003B_01C40DD1.9445E0F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Friday, March 19, 2004 11:20 AM Subject: [FlyRotary] Re: Cooling Ducts Good point, Rusty, glad you caught that. No - the core should be at = the end of the bell curve. The rectangular shape after that was just = something for me to hold on to as I handled the curves and keeping my = mitts out of the way of the coordinates.=20 Thanks Ed. I'll try not to violate your cooling thoughts any more = than necessary. =20 BTW, we can forget any EDDIE principle for the intake. About my only = option is going to be to run two separate 1.75" tubes from each throat = of the TWM TB, to the bottom of the right side rad duct. I guess that = makes each runner about 45-50" long. =20 Thanks again, Rusty Have to agree with you, Rusty. 50 inches would put the DIE effect = down below 2000 rpm. However, that does not mean you won't produce good = power. As I remind folks, for you to get anything out the DIE, you must = first have good basic airflow. The 1.75" dia tubes should enable it to breath fairly well even with = the long lenghts of runner. It will be interesting to see what you max = rpm turns out to be. Ed ------=_NextPart_000_003B_01C40DD1.9445E0F0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
 
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Friday, March 19, 2004 = 11:20=20 AM
Subject: [FlyRotary] Re: = Cooling=20 Ducts

Good point, = Rusty, glad=20 you caught that.  No - the core should be at the end of the = bell=20 curve.  The rectangular shape after that was just something for = me to=20 hold on to as I handled the curves and keeping my mitts out of the way = of the=20 coordinates. 
 
Thanks Ed.  I'll = try not to=20 violate your cooling thoughts any more than necessary. =20
 
BTW, we can = forget=20 any EDDIE principle for the intake.  About my only = option is=20 going to be to run two separate 1.75" tubes from each throat of the = TWM TB, to=20 the bottom of the right side rad duct.  I guess that makes = each=20 runner about 45-50" = long.  
 
Thanks=20 again,
Rusty
 
Have to agree with you, Rusty.  50 = inches would=20 put the DIE effect down below 2000 rpm.  However, that does not = mean you=20 won't produce good power.  As I remind folks, for you to get = anything out=20 the DIE, you must first have good basic = airflow.
 
 The 1.75" dia tubes should enable it = to breath=20 fairly well even with the long lenghts of runner.  It will be = interesting=20 to see what you max rpm turns out to be.
 
Ed
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