X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.121] verified) by logan.com (CommuniGate Pro SMTP 5.2.2) with ESMTP id 2876275 for flyrotary@lancaironline.net; Mon, 28 Apr 2008 22:17:21 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.121; envelope-from=echristley@nc.rr.com Received: from [192.168.0.19] (really [66.57.38.121]) by cdptpa-omta04.mail.rr.com with ESMTP id <20080429021642.YMCY2106.cdptpa-omta04.mail.rr.com@[192.168.0.19]> for ; Tue, 29 Apr 2008 02:16:42 +0000 Message-ID: <4816854B.2070806@nc.rr.com> Date: Mon, 28 Apr 2008 22:17:47 -0400 From: Ernest Christley User-Agent: Thunderbird 2.0.0.12 (X11/20080227) MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: the Kubota dynamo References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Michael Silvius wrote: > But will that sort of regulator work on a Permanent magnet (dynamo) device? > It is my limited understanding that for a dynamo the heat sink regulator is > the only way? > Not challenging you here, just seeking to be educated in the obscure > wizardry of electrons. > > Michael in rainy Maine > > No. A switching regulator will work just fine. When the switching regulator cuts the generators circuit, the generator stops pushing electrons around. It becomes just some magnets spinning around a roll of copper. No heat is generated, because no electrons are moved around, and it doesn't eat any horsepower from the engine. Look at the 3rd and 4th products on this page: http://www.compufire.com/harley-main.html -- http://www.ronpaultimeline.com