Return-Path: Received: from rwcrmhc13.comcast.net ([204.127.198.39] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 2936553 for flyrotary@lancaironline.net; Sat, 17 Jan 2004 13:52:39 -0500 Received: from rv8 (c-24-21-140-241.client.comcast.net[24.21.140.241]) by comcast.net (rwcrmhc13) with SMTP id <2004011718523301500llfloe> (Authid: n3773@comcast.net); Sat, 17 Jan 2004 18:52:33 +0000 Message-ID: <01e601c3dd2b$1103a690$f18c1518@rv8> Reply-To: "kevin lane" From: "kevin lane" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Cooling Article - SportAviation Mag Date: Sat, 17 Jan 2004 10:52:28 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_01E3_01C3DCE7.FFA2C7C0" 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 This is a multi-part message in MIME format. ------=_NextPart_000_01E3_01C3DCE7.FFA2C7C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable in that article they mentioned that optimal entry duct length is 2 to 3 = times the height or width of the radiator, whatever is greater. with my = belly-mounted radiator, 8 x 22", that means I need something between 4 = and 6 feet? since I am eyeball engineering this thing and mimicking the = p-51 I have an entry duct closer to 22" in length. does this seem = reasonable? with a 6' scoop perhaps I could make water landings :-) Kevin Lane Portland, OR e-mail-> n3773@comcast.net web-> http://home.comcast.net/~n3773 (browse w/ internet explorer) ----- Original Message -----=20 From: Ed Anderson=20 To: Rotary motors in aircraft=20 Sent: Friday, January 16, 2004 5:18 PM Subject: [FlyRotary] Cooling Article - SportAviation Mag Excellent article in EAA Sport Aviation Mag I received today, on = liquid cooling. In reading it, much seemed familar and sure enough one = of the two references is Kuchemann and Weber. They also point out that = the Streamline Duct is a more practical alternative to the 7 Deg optimum = duct for aviation use as well as other useful information. Well worth = reading. Ed Anderson RV-6A N494BW Rotary Powered Matthews, NC ------=_NextPart_000_01E3_01C3DCE7.FFA2C7C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
in that article they mentioned that = optimal entry=20 duct length is 2 to 3 times the height or width of the radiator, = whatever is=20 greater.  with my belly-mounted radiator, 8 x 22", that means I = need=20 something between 4 and 6 feet?  since I am eyeball engineering = this thing=20 and mimicking the p-51 I have an entry duct closer to 22" in = length.  does=20 this seem reasonable?  with a 6' scoop perhaps I could make water = landings=20 :-)
Kevin Lane  Portland, OR
e-mail-> n3773@comcast.net
web-> http://home.comcast.net/~n3773
(browse=20 w/ internet explorer)
----- Original Message -----
From:=20 Ed=20 Anderson
Sent: Friday, January 16, 2004 = 5:18=20 PM
Subject: [FlyRotary] Cooling = Article -=20 SportAviation Mag

Excellent article in EAA Sport = Aviation=20 Mag I received today,  on liquid cooling. In reading it, = much seemed=20 familar and sure enough one of the two references is Kuchemann and=20 Weber.  They also point out that the Streamline Duct is a more = practical=20 alternative to the 7 Deg optimum duct for aviation use as well as = other useful=20 information.  Well worth reading.
 
 
Ed Anderson
RV-6A N494BW Rotary=20 Powered
Matthews, NC
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