X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mx2.netapp.com ([216.240.18.37] verified) by logan.com (CommuniGate Pro SMTP 5.4.4) with ESMTPS id 5381996 for flyrotary@lancaironline.net; Fri, 03 Feb 2012 15:33:00 -0500 Received-SPF: softfail receiver=logan.com; client-ip=216.240.18.37; envelope-from=echristley@nc.rr.com X-IronPort-AV: E=Sophos;i="4.73,353,1325491200"; d="scan'208";a="622262673" Received: from smtp2.corp.netapp.com ([10.57.159.114]) by mx2-out.netapp.com with ESMTP; 03 Feb 2012 12:32:25 -0800 Received: from [10.62.16.167] (ernestc-laptop.hq.netapp.com [10.62.16.167]) by smtp2.corp.netapp.com (8.13.1/8.13.1/NTAP-1.6) with ESMTP id q13KWO7x028989 for ; Fri, 3 Feb 2012 12:32:25 -0800 (PST) Message-ID: <4F2C43B6.8040305@nc.rr.com> Date: Fri, 03 Feb 2012 15:29:42 -0500 From: Ernest Christley Reply-To: echristley@nc.rr.com User-Agent: Thunderbird 2.0.0.24 (X11/20100623) MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: New Flywheel for RD-1x redrives References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Gordon Alling wrote: > Tell us more about this in-line generator. This is the first I've heard of > it and it sounds interesting. Is it a commercial product? From whom? > > http://lancair.net/lists/flyrotary/Message/45933.html?Language=?altLanguage= Use the arrow to go back and forth through the messages. > Gordon C. Alling, Jr., PE > President > acumen Engineering/Analysis, Inc. > > 540-786-2200 > www.acumen-ea.com > > > -----Original Message----- > From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On > Behalf Of Ernest Christley > Sent: Friday, February 03, 2012 2:33 PM > To: Rotary motors in aircraft > Subject: [FlyRotary] Re: New Flywheel for RD-1x redrives > > Tracy wrote: > >> Don't know the dimensions of the generator in question but one of the >> design goals was to change as little as possible, so the distance >> between engine and gearbox was unchanged. >> >> > Off the top of my head, the rotor is 1.25" deep, and would need a 6" dia > flat on the engine side of the gap, centered on the shaft. The stator > fits completely inside the rotor, so it only needs 1/8" to allow for > routing the wires out. If the space has been expanded even a small > amount, it should allow for a relatively easy addition of a compact 38A > generator, eliminating belts and pulleys. I only have a microscopic > amount of time on mine, but it has been working so far. > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: > http://mail.lancaironline.net:81/lists/flyrotary/List.html > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html > >