X-Virus-Scanned: clean according to Sophos on Logan.com From: "Bobby J. Hughes" Received: from webmail.qnsi.net ([66.219.56.245] verified) by logan.com (CommuniGate Pro SMTP 6.0.9e) with ESMTP id 6917256 for flyrotary@lancaironline.net; Tue, 03 Jun 2014 08:43:50 -0400 Received-SPF: none receiver=logan.com; client-ip=66.219.56.245; envelope-from=bhughes@qnsi.net Received: from 10.0.0.5 ([10.0.0.5]) by qnsi-mail.qnsi.net ([10.0.0.5]) with Microsoft Exchange Server HTTP-DAV ; Tue, 3 Jun 2014 12:43:14 +0000 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Subject: Re: [FlyRotary] Re: controller, sensor, wiring questions References: thread-topic: [FlyRotary] Re: controller, sensor, wiring questions thread-index: Ac9/KWLnqNH+4Y1ORHKNgReSuVzdjQ== In-Reply-To: Message-ID: <329A6254-6EA8-41AE-8718-52EF7E69FFA1@qnsi.net> Date: Tue, 3 Jun 2014 07:43:14 -0500 To: "Rotary motors in aircraft" MIME-Version: 1.0 (1.0) Also most wide ands also have a narrow band output for other devices.=20 Bobby=20 Sent from my iPhone > On Jun 3, 2014, at 7:39 AM, "Bobby J. Hughes" wrote: >=20 > I think Tracy's latest upgrade support wideband o2 auto tune without the E= M. 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.=20 >=20 > Bobby Hughes=20 > Sent from my iPhone >=20 >> On Jun 3, 2014, at 6:12 AM, "Ed Anderson" w= rote: >>=20 >> Charlie, I'm a bit behind the times on Tracy's EC2 - but, last I knew it d= id not have an auto tune feature (my info could easily be out of date), plus= it was my understanding that the auto tune feature required the EM2/3 as we= ll as the EC. >>=20 >> For best results the EFISM should be grounded to the aircraft electrical g= round rather than to a ground pin on some other accessory. It should not re= ally make a difference, but closer to the battery negative lead the better i= n my opinion. Current thought seems to be not to use aircraft chassis as a p= rimary electrical ground. >>=20 >> PS Don't' forget to bring the EFISM with you. >>=20 >> Ed >>=20 >> -----Original Message----- From: Charlie England >> Sent: Monday, June 02, 2014 9:11 PM >> To: Rotary motors in aircraft >> Subject: [FlyRotary] controller, sensor, wiring questions >>=20 >> Currently building the wiring harness for the engine/controller, & have >> a few questions. >>=20 >> 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? >>=20 >> 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 pair= s? >>=20 >> 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? >>=20 >> 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. >>=20 >> 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. >>=20 >> Thanks, >>=20 >> Charlie >>=20 >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.= html >>=20 >>=20 >> ----- >> 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= =20 >>=20 >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/Lis= t.html >=20 > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List= .html