X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from relais.videotron.ca ([24.201.245.36] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1092442 for flyrotary@lancaironline.net; Thu, 04 May 2006 19:33:42 -0400 Received-SPF: none receiver=logan.com; client-ip=24.201.245.36; envelope-from=geryvon@videotron.ca Received: from AMDSEMPRON2400 ([24.201.214.149]) by VL-MO-MR003.ip.videotron.ca (Sun Java System Messaging Server 6.2-2.05 (built Apr 28 2005)) with SMTP id <0IYR004HBLEKRDG0@VL-MO-MR003.ip.videotron.ca> for flyrotary@lancaironline.net; Thu, 04 May 2006 19:32:45 -0400 (EDT) Date: Thu, 04 May 2006 19:32:10 -0400 From: =?iso-8859-1?Q?G=E9raldine_Berger_&_Yvon_Cournoyer?= Subject: PROPELLER PITCH To: Rotary motors in aircraft Reply-to: =?iso-8859-1?Q?G=E9raldine_Berger_&_Yvon_Cournoyer?= Message-id: <000301c66fd3$0b699810$95d6c918@AMDSEMPRON2400> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 X-Mailer: Microsoft Outlook Express 6.00.2900.2869 Content-type: text/plain; format=flowed; charset=iso-8859-1; reply-type=original Content-transfer-encoding: 7BIT X-Priority: 3 X-MSMail-priority: Normal The pitch of my old wood propeller which I am retiring is given in inches, while my new Warp Drive uses degrees to set pitch. No reference to inches. What is the relationship between the two methods of measurement? Can you direct me to reference material (for the layman)? Yvon