Return-Path: Received: from [24.25.9.101] (HELO ms-smtp-02-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.2b2) with ESMTP id 3184193 for flyrotary@lancaironline.net; Thu, 22 Apr 2004 08:58:35 -0400 Received: from ms-mss-03-ce0-1 ([10.10.5.86]) by ms-smtp-02-eri0.southeast.rr.com (8.12.10/8.12.7) with ESMTP id i3MCwXkF023222 for ; Thu, 22 Apr 2004 08:58:33 -0400 (EDT) Received: from southeast.rr.com (localhost [127.0.0.1]) by ms-mss-03.southeast.rr.com (iPlanet Messaging Server 5.2 HotFix 1.21 (built Sep 8 2003)) with ESMTP id <0HWK00LCFPDLXC@ms-mss-03.southeast.rr.com> for flyrotary@lancaironline.net; Thu, 22 Apr 2004 08:58:33 -0400 (EDT) Received: from [10.10.1.25] (Forwarded-For: [143.209.7.42]) by ms-mss-03.southeast.rr.com (mshttpd); Thu, 22 Apr 2004 08:58:33 -0400 Date: Thu, 22 Apr 2004 08:58:33 -0400 From: echristley@nc.rr.com Subject: Re: [FlyRotary] Re: Performance Props To: Rotary motors in aircraft Reply-to: echristley@nc.rr.com Message-id: MIME-version: 1.0 X-Mailer: iPlanet Messenger Express 5.2 HotFix 1.21 (built Sep 8 2003) Content-type: text/plain; charset=us-ascii Content-language: en Content-transfer-encoding: 7BIT Content-disposition: inline X-Accept-Language: en Priority: normal X-Virus-Scanned: Symantec AntiVirus Scan Engine > Ernest: > > I would recommend you purchase that book. They are not really my > algorithms > and I don't want to be accused of copyright infringement. The > reason it > can't easily be put in a spreadsheet is it is really numerical > calculus and > the program runs multiple loops (finite steps whereas in calculus > the step > size is taken to the limit of zero) to develop the performance of a > complete > blade. > > Perry > Hmmm... A search on Amazon says that its not available. There's an author that has put a chapter of his book dealing with duct design online. I believe that is Martin Hollman, but I'm at work now and don't have access to my bookmarks. Do you have a pointer to where it can be purchased?