X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from sccrmhc12.comcast.net ([204.127.200.82] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1156359 for flyrotary@lancaironline.net; Thu, 15 Jun 2006 22:24:03 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.200.82; envelope-from=jesse@jessfarr.com Received: from office5 (c-68-59-223-112.hsd1.tn.comcast.net[68.59.223.112]) by comcast.net (sccrmhc12) with SMTP id <2006061602232101200kiljje>; Fri, 16 Jun 2006 02:23:21 +0000 Message-ID: <015a01c690eb$d3e0d7c0$0201a8c0@farr.com> From: "jesse farr" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Front, Rear and intermediate housings Date: Thu, 15 Jun 2006 22:23:16 -0400 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 Get you a glass table top, about 1/2 inch thick, (or a piece thereof, the one I have is about 1" thick) put it on flat table, put a little valve grinding compound on it and rub your end and center plates around on all that until the surfaces are polished smooth. You have just lapped them suckers. If a machine shop surfaces them you probably do not have any nitrided surface left. IMHO. jofarr, soddy tn ----- Original Message ----- From: "James Brewer" I would like to know if there is a do-it-yourself way to lap the housings