Return-Path: Received: from relay04.roc.ny.frontiernet.net ([66.133.182.167] verified) by logan.com (CommuniGate Pro SMTP 4.3c1) with ESMTP id 744777 for flyrotary@lancaironline.net; Fri, 18 Feb 2005 15:14:05 -0500 Received-SPF: pass receiver=logan.com; client-ip=66.133.182.167; envelope-from=canarder@frontiernet.net Received: from filter04.roc.ny.frontiernet.net (filter04.roc.ny.frontiernet.net [66.133.183.71]) by relay04.roc.ny.frontiernet.net (Postfix) with ESMTP id 5682D358477 for ; Fri, 18 Feb 2005 20:13:19 +0000 (UTC) Received: from [127.0.0.1] (67-137-75-55.dsl2.cok.tn.frontiernet.net [67.137.75.55]) by relay04.roc.ny.frontiernet.net (Postfix) with ESMTP id AA59935811F for ; Fri, 18 Feb 2005 20:13:18 +0000 (UTC) Message-ID: <42164C53.8020706@frontiernet.net> Date: Fri, 18 Feb 2005 14:13:07 -0600 From: Jim Sower User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040514 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Amps required to run engine & amp- hours available References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Antivirus: avast! (VPS 0507-4, 02/18/2005), Outbound message X-Antivirus-Status: Clean X-Virus-Scanned: by amavisd-new-20040701 (2.0) at filter04.roc.ny.frontiernet.net <... Had to shock it with 24 volts to get it to take a charge. Turns out, I can't measure any difference of old vs. new during battery test ...> Now THAT'S encouraging ... but I think I'll tote a spare anyway .. what's 12#? ... Jim S. jbker@juno.com wrote: >One of my planned flyoff flight test is to shut the alternator down and see how long I can fly before systems start to act up. Plan on a second battery during flight test so that I can hopefully restart if necessary or I will join the deadstick club over the airfield of my choosing. > >I measured the amps required to keep the one pump, the coils, the 4 injectors while running the engine this morning at about 3000 rpm. It measured at 7.8 amps. Also measured the amps to crank this morning (65 F OAT): 142 amps. > >Had ordered a new Odessey PC625 since I had let the 2+ year old one go flat over Christmas. (Yep left the av master on). Had to shock it with 24 volts to get it to take a charge. Turns out, I can't measure any difference of old vs. new during battery test. Hooked up 150 watts of 12 volt halogen bulbs which gives a draw of 12 amps at 12 volts. Man do these things hold voltage until the end.It took 55 minutes to get to 11 volts and dropped to 5 volts in another 15 minutes. > >Based on this, the engine only should run the keep the airplane airborn for about 1:20 hours. How about a sanity check Tracy, ED, etc; what did I miss?? > >Bernie, (DAR on Tuesday, engine behaving very nicely with new injector) > > > >>> Homepage: http://www.flyrotary.com/ >>> Archive: http://lancaironline.net/lists/flyrotary/List.html >>> >>> > > > >