X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from rg5.comporium.net ([208.104.2.25] verified) by logan.com (CommuniGate Pro SMTP 5.2c4) with ESMTPS id 2643390 for flyrotary@lancaironline.net; Sun, 13 Jan 2008 12:00:59 -0500 Received-SPF: pass receiver=logan.com; client-ip=208.104.2.25; envelope-from=Jewen@comporium.net Received: from 208-104-81-95.lnhe.2wcm.comporium.net (HELO engineer1) ([208.104.81.95]) by rg5.comporium.net (MOS 3.8.4-GA FastPath queued) with SMTP id AJU54658; Sun, 13 Jan 2008 12:00:19 -0500 (EST) Message-ID: <00e401c85605$82bed9b0$6505a8c0@cooleygroup.local> From: "Joe Ewen" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: EC2 Date: Sun, 13 Jan 2008 11:58:24 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_00E1_01C855DB.99AD4F50" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3138 X-Junkmail-Status: score=10/70, host=rg5.comporium.net X-Junkmail-SD-Raw: score=unknown, refid=str=0001.0A010207.478A43A3.0082,ss=1,fgs=0, ip=208.104.81.95, so=2007-03-13 10:31:19, dmn=5.4.3/2007-11-16 This is a multi-part message in MIME format. ------=_NextPart_000_00E1_01C855DB.99AD4F50 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I have an EC2-A3 20B, this is not the latest revision that uses the = MOSFET staging relay, rather the version that uses the electromagnetic = relay. When in injector test mode, I get firing pulses on all = injectors. In this EC2 configuration, the staging relay is closed when = there is no signal to the relay, so the secondary fire also. If you = have the version with the MOSFET SSR relay, I would suspect the signal = line to the relay works in the inverse with a corresponding change in = the program logic from active low to active high on the staging relay = channel. Disconnecting the signal line from the MOSFET SSR (Tracy's = drawing, terminal 1, connection A) and running a line from the terminal = to ground should close the relay and the secondaries should fire as well = as the primaries. =20 Joe ----- Original Message -----=20 From: Mark Steitle=20 To: Rotary motors in aircraft=20 Sent: Sunday, January 13, 2008 7:28 AM Subject: [FlyRotary] Re: EC2 Bob,=20 It is my understanding that the injector test mode works on the = 2-rotor models only, not the 3-rotor model. Something to do with the = injector staging relay used on the 3-rotor units. If you hear the = injectors click when you press the primer (store) button, then I would = conclude that they're good. Concerning the primaries, you could connect = one at a time and press the store button and listen to see if it = responds. Then repeat the process for the other two. I don't think = this works on the secondaries. =20 Mark On Jan 13, 2008 12:04 AM, wrote: Ok guys...my turn for help, I hooked up a real battery tonight. no smoke..no popped = breakers...no blown fuses....EM2 lights right up and all temps are = displaying accurate, along with pressures. EM2 shows NOP on the RPM = until I power up the EC2, as it should. I tried the test mode of the = injectors and the coils. I can hear the injectors when I use the primer = function, but I get nothing on the continuous injection or the = continuous coils. So mode 0 is working for prime, but I get nothing on = mode 1 and 9. Its late, Im tired, and I havent checked anything with a = test light yet. will start that tomorrow. All grounds are hooked up and = grounding. All plugs in tight on the EM2. EC2, and control panel. = Harness built by Bob White so I dont think anything is messed up there. = Am I overlooking anything simple ????? Bob Mears Supermarine Spitfire -------------------------------------------------------------------------= --- Start the year off right. Easy ways to stay in shape in the new = year.=20 ------=_NextPart_000_00E1_01C855DB.99AD4F50 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
I have an EC2-A3 20B,  this is not = the latest=20 revision that uses the MOSFET staging relay, rather the version that = uses the=20 electromagnetic relay.  When in injector test mode, I get=20 firing pulses on all injectors.  In this EC2 = configuration, the=20 staging relay is closed when there is no signal to the relay, so the = secondary=20 fire also.  If you have the version with the MOSFET SSR relay, I = would=20 suspect the signal line to the relay works in the inverse with a=20 corresponding change in the program logic from active low to active high = on the=20 staging relay channel.  Disconnecting the signal line from the = MOSFET=20 SSR (Tracy's drawing, terminal 1, connection A) and running a line from = the=20 terminal to ground should close the relay and the secondaries should = fire as=20 well as the primaries. 
 
Joe
----- Original Message -----
From:=20 Mark = Steitle=20
Sent: Sunday, January 13, 2008 = 7:28=20 AM
Subject: [FlyRotary] Re: = EC2

Bob,

It is my understanding that the injector = test mode=20 works on the 2-rotor models only, not the 3-rotor model.  =20 Something  to do with the injector staging relay used on the = 3-rotor=20 units.  If you hear the injectors click when you press the primer = (store)=20 button, then I would conclude that they're good.  Concerning the=20 primaries, you could connect one at a time and press the store button = and=20 listen to see if it responds.  Then repeat the process for the = other=20 two.  I don't think this works on the secondaries. =20

Mark


On Jan 13, 2008 12:04 AM, <BMears9413@aol.com> = wrote:
Ok guys...my turn for help,
I hooked up a real battery tonight. no smoke..no popped = breakers...no=20 blown fuses....EM2 lights right up and all temps are displaying = accurate,=20 along with pressures. EM2 shows NOP on the RPM until I power up the = EC2, as=20 it should. I tried the test mode of the injectors and the coils. I = can hear=20 the injectors when I use the primer function, but I get nothing on = the=20 continuous injection or the continuous coils. So mode 0 is working = for=20 prime, but I get nothing on mode 1 and 9. Its late, Im tired, and I = havent=20 checked anything with a test light yet. will start that tomorrow. = All=20 grounds are hooked up and grounding. All plugs in tight on the EM2. = EC2, and=20 control panel. Harness built by Bob White so I dont think = anything=20 is messed up there. Am I overlooking anything simple ?????
 
Bob Mears
Supermarine Spitfire



Start the year off right. Easy ways to stay in shape in the new year.=20 =

------=_NextPart_000_00E1_01C855DB.99AD4F50--