Return-Path: Received: from [24.25.9.101] (HELO ms-smtp-02-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 2885286 for flyrotary@lancaironline.net; Wed, 10 Dec 2003 16:50:46 -0500 Received: from ms-mss-03-ce0-1 ([10.10.1.41]) by ms-smtp-02-eri0.southeast.rr.com (8.12.10/8.12.7) with ESMTP id hBALodIT001481 for ; Wed, 10 Dec 2003 16:50:39 -0500 (EST) Received: from southeast.rr.com (localhost [127.0.0.1]) by ms-mss-03.southeast.rr.com (iPlanet Messaging Server 5.2 HotFix 1.12 (built Feb 13 2003)) with ESMTP id <0HPP00D7X8OFSI@ms-mss-03.southeast.rr.com> for flyrotary@lancaironline.net; Wed, 10 Dec 2003 16:50:39 -0500 (EST) Received: from [10.10.1.21] by ms-mss-03.southeast.rr.com (mshttpd); Wed, 10 Dec 2003 16:50:39 -0500 Date: Wed, 10 Dec 2003 16:50:39 -0500 From: echristley@nc.rr.com Subject: Re: [FlyRotary] Re: K&W Streamline duct vs 7 deg optimum duct To: Rotary motors in aircraft Reply-to: echristley@nc.rr.com Message-id: <1ab4f61a806f.1a806f1ab4f6@southeast.rr.com> MIME-version: 1.0 X-Mailer: iPlanet Messenger Express 5.2 HotFix 1.12 (built Feb 13 2003) Content-type: multipart/mixed; boundary="Boundary_(ID_kyB9ZwtHqxAa9xC8UdO1dw)" Content-language: en X-Accept-Language: en Priority: normal This is a multi-part message in MIME format. --Boundary_(ID_kyB9ZwtHqxAa9xC8UdO1dw) Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7BIT Content-disposition: inline ----- Original Message ----- From: Ed Anderson Date: Wednesday, December 10, 2003 12:51 pm Subject: [FlyRotary] Re: K&W Streamline duct vs 7 deg optimum duct > Good question, Joe. I honestly don't have a clue. The key > (according to > K&W) > appears to be having the side wall diverge just enough so that the > pressureincrease along the wall (caused by friction slowing the > airstream) is > matched by the centrifugal force of the air flowing around the > curve of the > wall. > Another conundrum. What is the effect of a twisted plenum? Nearly all the pictures I've seen show a radiator that is something other than 90degrees to the intake. Often, the radiator face and intake are parallel. --Boundary_(ID_kyB9ZwtHqxAa9xC8UdO1dw) Content-type: text/plain; charset=ISO-8859-1 Content-transfer-encoding: 7BIT Content-disposition: inline >> Homepage: http://www.flyrotary.com/ >> Archive: http://lancaironline.net/lists/flyrotary/List.html --Boundary_(ID_kyB9ZwtHqxAa9xC8UdO1dw)--