Return-Path: Received: from smtp809.mail.sc5.yahoo.com ([66.163.168.188] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with SMTP id 2884118 for flyrotary@lancaironline.net; Tue, 09 Dec 2003 22:04:39 -0500 Received: from unknown (HELO Davidscmptr) (dcarter11@sbcglobal.net@64.219.119.54 with login) by smtp809.mail.sc5.yahoo.com with SMTP; 10 Dec 2003 03:04:38 -0000 Message-ID: <03b801c3beca$52f27b00$6501a8c0@Davidscmptr> Reply-To: "David Carter" From: "David Carter" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] K&W Streamline duct vs 7 deg optimum duct Date: Tue, 9 Dec 2003 21:04:25 -0600 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit 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 Ed, the Y axis "label" was somewhat blurred in my computer's rendering of the .bmp image. What are the words on the Y axis label? David Carter ----- Original Message ----- From: "Ed Anderson" To: "Rotary motors in aircraft" Sent: Tuesday, December 09, 2003 4:13 PM Subject: [FlyRotary] K&W Streamline duct vs 7 deg optimum duct > > Attached is a plot of the Streamline Duct out of K&W vs the optimum 7 Deg > diverging duct. Scale on vertical and horizontal axis is in inches. > According to K&W there is apparently no separation of flow from the duct > wall until the maximum angle is exceeded. Max angle is different depending > on the ratio of your intake area to your core face area. This plot is for a > GM core 9" high. > > The coordinates provided by K&W have been normalized on both axis, so you > have to use those normalized values to scale you actual/real values. But, > you can do it for any size core. >