X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from pacmmta51.windstream.net ([162.39.147.110] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with ESMTP id 5055874 for flyrotary@lancaironline.net; Mon, 18 Jul 2011 16:17:09 -0400 Received-SPF: pass receiver=logan.com; client-ip=162.39.147.110; envelope-from=jskmberki@windstream.net Return-Path: X-WS-COS: WSOB804 X-Cloudmark-Category: Undefined:Undefined X-Cloudmark-Analysis: v=1.1 cv=zpEVLrfg3cs8wptIbL0X5sNkoBAa6C+kn90HM9SbW/c= c=1 sm=0 a=UT_QgiwtmQIA:10 a=8nJEP1OIZ-IA:10 a=RyEvCg4j56aIPkAVFysA:9 a=wPNLvfGTeEIA:10 a=uASKw9djHXr78o6/HT4HpA==:117 X-Cloudmark-Score: 0 Authentication-Results: pacmmta51 smtp.user=jskmberki; auth=pass (LOGIN) Received: from [174.130.100.11] ([174.130.100.11:4696] helo=joehomepc) by pacmmta51 (envelope-from ) (ecelerity 2.2.2.45 r()) with ESMTPA id 61/22-08206-1A4942E4; Mon, 18 Jul 2011 16:16:33 -0400 Message-ID: <002801cc4588$183a1430$02fea8c0@joehomepc> From: "josrph berki" To: "Rotary motors in aircraft" Subject: Flex plate Date: Mon, 18 Jul 2011 16:20:10 -0400 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 6.00.2800.2001 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.2001 What about using an existing flexplate with no cracks and laying up a couple layers of carbon fiber using the appropriate resin system? You could eliminate the lightneing holes and place the fiber in the weak areas? The plate would need to be sandblasted and cleaned to ensure a good bond. You could use faseners to secure it if you feel that the bond is inadequate. Minimal weight added. Joe Berki Limo EZ