Return-Path: Received: from smtpauth08.mail.atl.earthlink.net ([209.86.89.68] verified) by logan.com (CommuniGate Pro SMTP 4.3c2) with ESMTP id 793646 for flyrotary@lancaironline.net; Mon, 14 Mar 2005 20:02:46 -0500 Received-SPF: neutral receiver=logan.com; client-ip=209.86.89.68; envelope-from=jerryhey@earthlink.net Received: from [65.176.136.233] (helo=earthlink.net) by smtpauth08.mail.atl.earthlink.net with asmtp (Exim 4.34) id 1DB0RY-0002mT-Om for flyrotary@lancaironline.net; Mon, 14 Mar 2005 20:01:57 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=simple; s=test1; d=earthlink.net; h=Date:Subject:Content-Type:Mime-Version:From:To:Content-Transfer-Encoding:In-Reply-To:Message-Id:X-Mailer; b=mM9l0fCl9HbR6hO1RyUSEwD0UB9FDacuSjAV72HX7zJHvK983ExVuV7jYJg3DnT3; Date: Mon, 14 Mar 2005 20:03:11 -0500 Subject: Re: [FlyRotary] Re: Electric water pump Content-Type: text/plain; charset=US-ASCII; format=flowed Mime-Version: 1.0 (Apple Message framework v552) From: Jerry Hey To: "Rotary motors in aircraft" Content-Transfer-Encoding: 7bit In-Reply-To: Message-Id: <00319643-94EE-11D9-8892-0003931B0C7A@earthlink.net> X-Mailer: Apple Mail (2.552) X-ELNK-Trace: 8104856d7830ec6b1aa676d7e74259b7b3291a7d08dfec79f677bef908235cb585e1598b144be3f1350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 65.176.136.233 As someone who has only recently discovered the EWP, I occasionally do a fresh internet search to learn more. Tonight a new article popped up which is really quite good on the installation and performance of the Craig Davies EWP. It can be viewed at: http://www.fordmuscle.com/archives/2000/08/electricwaterpump Jerry On Monday, March 14, 2005, at 06:46 PM, Bob White wrote: > > Good point Jesse. If I guess at 80% effeciency for the conversion > (WAG), it would only be 13.6 A. I think it's just the alternator > efficiency though since I'm comparing to another EWP. > > Bob W. > > On Mon, 14 Mar 2005 18:32:27 -0500 > "jesse farr" wrote: > >> Bob: If only taking 200 W engine output, with alternator inefficiency >> and >> ewp inefficiency, wonder what wattage would it be really using ? >> jofarr, soddy tn >> >> ----- Original Message ----- From: "Bob White" >> >> BMW___s system taking up a maximum of 200 W engine output as >> opposed to the power uptake of a conventional water pump of up to 2 >> kW." >> >> OK, so 200 W is about 17 amps. >> >> >>>> Homepage: http://www.flyrotary.com/ >>>> Archive: http://lancaironline.net/lists/flyrotary/List.html >> >> > > > -- > http://www.bob-white.com > N93BD - Rotary Powered BD-4 (real soon) > >>> Homepage: http://www.flyrotary.com/ >>> Archive: http://lancaironline.net/lists/flyrotary/List.html >