X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 50 [XX] Return-Path: Received: from alnrmhc16.comcast.net ([206.18.177.56] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with ESMTP id 2037096 for flyrotary@lancaironline.net; Thu, 10 May 2007 22:15:10 -0400 Received-SPF: none receiver=logan.com; client-ip=206.18.177.56; envelope-from=rlwhite@comcast.net Received: from rlwhite (c-68-35-160-229.hsd1.nm.comcast.net[68.35.160.229]) by comcast.net (alnrmhc16) with SMTP id <20070511021433b1600hoe49e>; Fri, 11 May 2007 02:14:33 +0000 Date: Thu, 10 May 2007 20:15:06 -0600 From: Bob White To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: EC2 question Message-Id: <20070510201506.a4ccc809.rlwhite@comcast.net> In-Reply-To: References: X-Mailer: Sylpheed 2.4.0 (GTK+ 2.10.11; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Hi Bully, Unused sensor inputs should be grounded. I think airframe ground would be OK, or you can tap into a line from pin 9, 12, 13, or 25 on P2. If one of them is unused, you can solder a jumper from the O2 sensor line (pin 8) to it. Bob W. On Thu, 10 May 2007 20:58:55 -0500 wrote: > > I'm not using the O2 sensor lead for the EM2. I wander if I can just cut it off at the plug, or have to ground it? I have installed a wide band O2 sensor with it's own processor and display. > Buly > > -- N93BD - Rotary Powered BD-4 - http://www.bob-white.com 3.8 Hours Total Time and holding Cables for your rotary installation - http://www.roblinphoto.com/shop/