From: "Finn Lassen finn.lassen@verizon.net" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] Re: EC3/EM3 data point
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
References: <list-319753@logan.com>
Message-ID: <ceca12fb-1d6e-0fda-f85e-8f847f5d18e9@verizon.net>
Date: Mon, 1 Jun 2020 09:23:18 -0400
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Not familiar with the EC2, but check temperature probe wiring. Not that 
important because not used by controller B.

Your A8 engine code is correct for a Renesis and looks like it's 
programmed for rotary, large secondary injectors and narrowband O2 
sensor. (12 in second position, row 4, should change to 92 with cold 
start switch on.)

Changing the mode switch from zero should change second to last position 
in row 3..

Second position row 4 (ENGINFO) MSB to LSB:
ColdSwitchOn | Cont | BackupSensor | RotaryEngine | TempSensor | 
O2SensorType | LargeSecondaryInjectors | Turbo

Changing to wideband O2 sensor will add 4, changing your 12 to 16. 
Turning cold switch on will add 80 (hex).

So looks like engine type was just my problem. Of course we still don't 
know how my engine will run.

Do you have the stock Renesis Crank Angle Sensor pickup?

Finn

On 6/1/2020 7:32 AM, Stephen Izett stephen.izett@gmail.com wrote:
> And here is the data dump from the EC3.
>
> Steve
>> On 30 May 2020, at 9:43 am, Finn Lassen finn.lassen@verizon.net 
>> <mailto:finn.lassen@verizon.net> <flyrotary@lancaironline.net 
>> <mailto:flyrotary@lancaironline.net>> wrote:
>>
>> Data point from Tracy: Even though the manual states: "The EC3�sends 
>> engine information over a serial link to the EM2 engine�monitor (if 
>> used)�including engine speed�and many other�parameters.", he early on 
>> abandoned using that. Too much jitter on�the�signal from the early 
>> 13B due to gear lash in the mechanical�CAS. And from there on he just 
>> kept using the injector 1 pulse for�RPM (and fuel flow).
>>
>> So EM2/EM3 always requires some tach input.
>>
>> Finn
>>
>


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    <div class="moz-cite-prefix">Not familiar with the EC2, but check
      temperature probe wiring. Not that important because not used by
      controller B.<br>
      <br>
      Your A8 engine code is correct for a Renesis and looks like it's
      programmed for rotary, large secondary injectors and narrowband O2
      sensor. (12 in second position, row 4, should change to 92 with
      cold start switch on.)<br>
      <br>
      Changing the mode switch from zero should change second to last
      position in row 3..<br>
      <br>
      Second position row 4 (ENGINFO) MSB to LSB:<br>
      ColdSwitchOn | Cont | BackupSensor | RotaryEngine | TempSensor |
      O2SensorType | LargeSecondaryInjectors | Turbo<br>
      <br>
      Changing to wideband O2 sensor will add 4, changing your 12 to 16.
      Turning cold switch on will add 80 (hex).<br>
      <br>
      So looks like engine type was just my problem. Of course we still
      don't know how my engine will run.<br>
      <br>
      Do you have the stock Renesis Crank Angle Sensor pickup?<br>
      <br>
      Finn<br>
      <br>
      On 6/1/2020 7:32 AM, Stephen Izett <a class="moz-txt-link-abbreviated" href="mailto:stephen.izett@gmail.com">stephen.izett@gmail.com</a> wrote:<br>
    </div>
    <blockquote type="cite" cite="mid:list-319753@logan.com">
      <meta http-equiv="content-type" content="text/html;
        charset=windows-1252">
      And here is the data dump from the EC3.
      <div class=""><br>
      </div>
      <div class="">Steve<br class="">
        <blockquote type="cite" class="">On 30 May 2020, at 9:43 am,
          Finn Lassen <a href="mailto:finn.lassen@verizon.net" class=""
            moz-do-not-send="true">finn.lassen@verizon.net</a> &lt;<a
            href="mailto:flyrotary@lancaironline.net" class=""
            moz-do-not-send="true">flyrotary@lancaironline.net</a>&gt;
          wrote:<br class="">
          <br class="">
          Data point from Tracy: Even though the manual states: "The
          EC3�sends engine information over a serial link to the EM2
          engine�monitor (if used)�including engine speed�and many
          other�parameters.", he early on abandoned using that. Too much
          jitter on�the�signal from the early 13B due to gear lash in
          the mechanical�CAS. And from there on he just kept using the
          injector 1 pulse for�RPM (and fuel flow).<br class="">
          <br class="">
          So EM2/EM3 always requires some tach input.<br class="">
          <br class="">
          Finn<br class="">
          <br class="">
        </blockquote>
        <br class="">
      </div>
    </blockquote>
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