Return-Path: Received: from access.aic-fl.com ([204.49.76.2] verified) by logan.com (CommuniGate Pro SMTP 4.2b2) with ESMTP id 3195679 for flyrotary@lancaironline.net; Wed, 28 Apr 2004 13:05:39 -0400 Received: from homep276y68tk5 (unverified [204.49.76.33]) by access.aic-fl.com (Rockliffe SMTPRA 4.5.6) with SMTP id for ; Wed, 28 Apr 2004 12:06:25 -0500 Message-ID: <003101c42d43$aec08d90$214c31cc@homep276y68tk5> From: "Richard" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Fw: Air Fuel Mixture Display Date: Wed, 28 Apr 2004 12:10:18 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Hi Ed, Just read about an extended range O2 sensor in the Turbo Magazine. It is mentioned in connection with a mixture measuring gadget. Ever heard of that? could this mean anything for our use? Or is it like any other O2 sensor. The gadget is offered by INNOVATE MOTORSPORTS. Richard Sohn N-2071U unicorn@gdsys.net www.gdsys.net/WWWmembers/unicorn/ ----- Original Message ----- From: "Ed Anderson" To: "Rotary motors in aircraft" Sent: Wednesday, April 28, 2004 10:45 AM Subject: [FlyRotary] Fw: Air Fuel Mixture Display > Here is something that may be of interest to some of you. > > Ken and I have exchanged notes on our interest in electronic fuel monitoring > gadgets for the aircraft rotary. Here is his interesting employment of the > LOG version of the LED indictor, to give a more linear response curve of the > O2 sensor. As Ken indicated you are free to use this to build your own or > contact him for a printed circuit board (don't know the cost, but probably > well worth it). > > Ed > Ed Anderson > RV-6A N494BW Rotary Powered > Matthews, NC > ----- Original Message ----- > From: "Ken Kelly" > To: > Sent: Wednesday, April 28, 2004 11:03 AM > Subject: Re: Air Fuel Mixture Display > > > > Hey Ed, here's our final schematic that we came up with.. along with the > > bill of materials, and the AF response compared to the O2 sensor output. > > Feel free to distribute them - we are not selling them, but will sell > > pre-made PC boards for anyone who is interested in making one. Bill said > > he's had his running on his '84 Corvette and it runs GREAT! > > > > I also have a real nifty AFR meter from Australia that even has a triple > > 7-segment that displays supposed AFR's on it, along with a small bargraph. > > It's PIC based, but pretty neat. I picked it up for $60 delivered to the > US. > > But, it's DIY also, and the source code for the PIC is freeware. I haven't > > had a chance to build it yet, so I don't know if it works well or not. > > > > Ken > > > > _________________________________________________________________ > > MSN Toolbar provides one-click access to Hotmail from any Web page - FREE > > download! http://toolbar.msn.com/go/onm00200413ave/direct/01/ > > > ---------------------------------------------------------------------------- ---- > >> Homepage: http://www.flyrotary.com/ > >> Archive: http://lancaironline.net/lists/flyrotary/List.html >