flyrotary@lancaironline.net Mailing List Archive

Also most wide ands also have a narrow band output for other devices. Bobby Sent from my iPhone > On Jun 3, 2014, at 7:39 AM, "Bobby J. Hughes" <flyrotary@lancaironline.net> wrote: > > I think Tracy's latest upgrade support wideband o2 auto tune without the EM. Skip the narrowband and save some fuel $ during tuning. Your fuel savings will more than pay for the wideband and it's more useful in flight. > > Bobby Hughes > Sent from my iPhone > >> On Jun 3, 2014, at 6:12 AM, "Ed Anderson" <flyrotary@lancaironline.net> wrote: >> >> Charlie, I'm a bit behind the times on Tracy's EC2 - but, last I knew it did not have an auto tune feature (my info could easily be out of date), plus it was my understanding that the auto tune feature required the EM2/3 as well as the EC. >> >> For best results the EFISM should be grounded to the aircraft electrical ground rather than to a ground pin on some other accessory. It should not really make a difference, but closer to the battery negative lead the better in my opinion. Current thought seems to be not to use aircraft chassis as a primary electrical ground. >> >> PS Don't' forget to bring the EFISM with you. >> >> Ed >> >> -----Original Message----- From: Charlie England >> Sent: Monday, June 02, 2014 9:11 PM >> To: Rotary motors in aircraft >> Subject: [FlyRotary] controller, sensor, wiring questions >> >> Currently building the wiring harness for the engine/controller, & have >> a few questions. >> >> 1st, is anyone running multiple devices that need to see the 1-wire O-2 >> sensor? I need to feed both the EC2 (for auto-tune) and Ed A's monitor. >> Will there be a conflict if both are connected to the sensor at the same >> time? >> >> 1a (for Ed A), does your monitor care where it's grounded, for >> stable/accurate measurement? Both pin pairs 19/37 and pins 1/16 go to >> chassis ground, but the pairs are not common to each other in the EC2. >> Should it go direct to chassis, or to one or the other of the ground pairs? >> >> 2nd, I'd like to include Steve Boese's Rotary Copilot running on an >> iPaq, for data logging. I'm fairly confident that I'll need to switch >> pin 27 ( EC2 serial data in) between the two devices. Can pin 7 (EC2 >> serial data out) feed both devices at once, or should it be switched, as >> well? >> >> 3rd, the high impedance injectors seem to draw less than 1 A each, when >> on. Are true 10A DC rated switches needed for injector disable, or would >> lower current, AC rated switches do? A true 10 A DC rated switch is not >> that easy to find (or afford...), and with the draw being effectively >> AC (high speed switching) and <2 A for primary pair and secondary pair, >> it would seem that a 5A DC rated switch should get the job done safely. >> >> 4th, anyone have a source for the RX-8 crank angle sensor connector? I >> can solder directly to the sensor, but I'd rather use proper connectors, >> if possible. >> >> Thanks, >> >> Charlie >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html >> >> >> ----- >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 2014.0.4592 / Virus Database: 3955/7611 - Release Date: 06/02/14 >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html