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Message-ID: <1b4b137c0802250945t20e1271dm93f634905c4f4eb5@mail.gmail.com>
Date: Mon, 25 Feb 2008 12:45:46 -0500
From: "Tracy Crook" <tracy@rotaryaviation.com>
Sender: rwstracy@gmail.com
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] EM2 Warning light / Gaylen's loss
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The current software for the EM2 clears the alarm light on power-up and does
not reflect out of limit conditions until the engine is started.  The
flashing light buged me while I was doing my pre-engine start checklist
stuff and served no useful purpose since many things will be out prior to
startup.  The out of limit parameters displayed on screen will blink as
usual.  As soon as you start the engine it should start the alarm light if
anything is out of limits.

BTW, recently noticed that the spec in the instructions on the alarm light
is wrong.  The maximum drive current for the alarm light should be 200 ma
(.2 amps), not .4 amps as shown.  The manual has been revised as of today.
Check your bulb rating to avoid overheating and failure of the alarm driver
transistor.   An LED type indicator is the prefered type.

Was very sad to hear of Gaylen's loss of his RV-8.  My condolences Gaylen,
loosing years of labor and love lavished on an airplane is a tough hit.
Tracy


On Sun, Feb 24, 2008 at 11:46 PM, <BMears9413@aol.com> wrote:

>  Is there a test mode on the EM2 warning lamp? My alternator is only
> putting out 12.6 volts and my EM2 has the voltage flashing, as it should.
> But my warning light doesn't light up. Shouldn't it? It hasnt lit up yet,
> even with the engine not started and 0 oil pressure.
>
> Bob Mears
> Supermarine Spitfire.
>
>
>
>
>  ------------------------------
> Delicious ideas to please the pickiest eaters. Watch the video on AOL
> Living.<http://living.aol.com/video/how-to-please-your-picky-eater/rachel-campos-duffy/2050827?NCID=aolcmp00300000002598>
>

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<div>The current&nbsp;software for the EM2 clears the alarm light on power-up and does not reflect out of&nbsp;limit conditions until the engine is started.&nbsp; The flashing light buged me while I was doing my pre-engine start checklist stuff and served no useful purpose since many things will be out prior to startup.&nbsp; The out of limit parameters displayed on screen will blink as usual.&nbsp; As soon as you start the engine it should start the alarm light if anything is out of limits.&nbsp;&nbsp;&nbsp;</div>

<div>&nbsp;</div>
<div>BTW,&nbsp;recently noticed that&nbsp;the spec in the instructions on the alarm light is wrong.&nbsp; The maximum drive current for the alarm light should be 200 ma (.2 amps), not .4 amps as shown.&nbsp; The manual has been revised as of today.&nbsp; Check your bulb rating to avoid overheating and failure of the alarm driver transistor.&nbsp;&nbsp; An LED type indicator is the prefered type.</div>

<div>&nbsp;</div>
<div>Was very sad to hear of Gaylen&#39;s loss of his RV-8.&nbsp; My condolences Gaylen, loosing&nbsp;years of labor&nbsp;and love lavished on an airplane is a tough hit.&nbsp;&nbsp;&nbsp;<br></div>
<div>Tracy</div>
<div><br>&nbsp;</div>
<div class="gmail_quote">On Sun, Feb 24, 2008 at 11:46 PM, &lt;<a href="mailto:BMears9413@aol.com">BMears9413@aol.com</a>&gt; wrote:<br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<div style="FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Arial"><font face="Arial" color="#000000" size="2">
<div>Is there a test mode on the EM2 warning lamp? My alternator is only putting out 12.6 volts and my EM2 has the voltage flashing, as it should. But my warning light doesn&#39;t light up. Shouldn&#39;t it? It hasnt lit up yet, even with the engine not started and 0 oil pressure.</div>

<div>&nbsp;</div>
<div>Bob Mears </div>
<div>Supermarine Spitfire.</div>
<div>&nbsp;</div></font><br><br><br>
<div><font style="FONT: 10pt ARIAL, SAN-SERIF; COLOR: black">
<hr style="MARGIN-TOP: 10px">
Delicious ideas to please the pickiest eaters. <a title="http://living.aol.com/video/how-to-please-your-picky-eater/rachel-campos-duffy/2050827?NCID=aolcmp00300000002598" href="http://living.aol.com/video/how-to-please-your-picky-eater/rachel-campos-duffy/2050827?NCID=aolcmp00300000002598" target="_blank">Watch the video on AOL Living.</a></font></div>
</div></blockquote></div><br>

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