Return-Path: Received: from sj-iport-1.cisco.com ([171.71.176.70] verified) by logan.com (CommuniGate Pro SMTP 4.3c1) with ESMTP id 741802 for flyrotary@lancaironline.net; Wed, 16 Feb 2005 14:22:02 -0500 Received-SPF: pass receiver=logan.com; client-ip=171.71.176.70; envelope-from=echristl@cisco.com Received: from rtp-core-2.cisco.com (64.102.124.13) by sj-iport-1.cisco.com with ESMTP; 16 Feb 2005 11:33:00 -0800 X-BrightmailFiltered: true X-Brightmail-Tracker: AAAAAA== X-IronPort-AV: i="3.90,90,1107763200"; d="scan'208"; a="615070529:sNHT19828428" Received: from [172.18.179.151] (echristl-linux.cisco.com [172.18.179.151]) by rtp-core-2.cisco.com (8.12.10/8.12.6) with ESMTP id j1GJLEhF003483 for ; Wed, 16 Feb 2005 14:21:14 -0500 (EST) Message-ID: <42139D2B.3050907@cisco.com> Date: Wed, 16 Feb 2005 14:21:15 -0500 From: Ernest Christley User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040929 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: Battery voltage (was: Racetech RV6A Forced Landing) References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit > > At 05:11 PM 2/16/2005 +1000, you wrote: > If you continue to > > draw 200 amps for 60 seconds (at 77 degrees F) the battery voltage > will sag > > down to 7.2 volts. > > > > If you do crank for this long, it might take as long as ten > > minutes for the battery to charge back up to 13 volts. (Of course this > > depends on the size of your alternator and the draw from other loads > on the > > system.) If you DO continue to crank it this long, let's hope an A&P comes out from somewhere and bops you in the back of the head. I've seen people abuse starters this way. Poor starter.