X-Virus-Scanned: clean according to Sophos on Logan.com
Return-Path: <msteitle@gmail.com>
Received: from wx-out-0506.google.com ([66.249.82.234] verified)
  by logan.com (CommuniGate Pro SMTP 5.1.12)
  with ESMTP id 2331772 for flyrotary@lancaironline.net; Fri, 14 Sep 2007 21:58:13 -0400
Received-SPF: pass
 receiver=logan.com; client-ip=66.249.82.234; envelope-from=msteitle@gmail.com
Received: by wx-out-0506.google.com with SMTP id i27so885557wxd
        for <flyrotary@lancaironline.net>; Fri, 14 Sep 2007 18:57:37 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=beta;
        h=domainkey-signature:received:received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:references;
        bh=5VR5dtEoSCCzzppj9AR82cgmxlXYjV74/NSH5CYsMhs=;
        b=SylR+1OODbonWnj0I1Ht3XUs1HVuV8aTFl/97223o2mjqX8QOjl0xiEdQAcawDgLLmzaUUvOez0KehVS/zaTWnJozn3v6dM9r/xJRHb5bM9HhQis8pF96CzO+3vygA1aRQB94oP20RurK4BJWyXlG7dIh5GMzbCglzo7NkoQFUs=
DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=gmail.com; s=beta;
        h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:references;
        b=TBvrJXt2EHjzEiRyQeKiCTJRQ5sy2VmuU0c/vQvsp3h1RbkxM8Wsm5cnQUDZjcEcDU/HLNb99FHpggiaEf4kh513w4ENpcbRO30Ow/82jOY4uXVsOFINBDXwUANZ+FfOkqQcXwmcXHHlsniEpWDmWg5J5dIRdnE7KtW92+kDF6M=
Received: by 10.90.118.8 with SMTP id q8mr642228agc.1189821457053;
        Fri, 14 Sep 2007 18:57:37 -0700 (PDT)
Received: by 10.90.35.16 with HTTP; Fri, 14 Sep 2007 18:57:37 -0700 (PDT)
Message-ID: <5cf132c0709141857v2c72d5e7n737b46485d41bd29@mail.gmail.com>
Date: Fri, 14 Sep 2007 20:57:37 -0500
From: "Mark Steitle" <msteitle@gmail.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: One for the smart guys
In-Reply-To: <list-2331749@logan.com>
MIME-Version: 1.0
Content-Type: multipart/alternative; 
	boundary="----=_Part_3152_2356335.1189821457045"
References: <list-2331749@logan.com>

------=_Part_3152_2356335.1189821457045
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

Sorry Kelly, I changed the plugs so many times that I had considered buying
stock in NGK.  That wasn't the problem (too obvious).

Mark


On 9/14/07, Kelly Troyer <keltro@att.net> wrote:
>
>  Sparkplugs........(dreaded "SAG")
> --
> Kelly Troyer
> "Dyke Delta"_13B ROTARY Engine
> "RWS"_RD1C/EC2/EM2
> "Mistral"_Backplate/Oil Manifold
>
>
>
>
>
> -------------- Original message from "Mark Steitle" <msteitle@gmail.com>:
> --------------
>
> OK guys, here's one to think about.
>
> Problem:  Major mis-fire at 6600 - 7000 rpm.  Engine runs great up until
> it begins mis-firing.  This is a 20B running an EC-2 that's been updated
> with the latest s/w (as of 9/1/07).  This includes the snubber fix and a
> modification for the Renesis CAS.  Before the snubber upgrade, the engine
> ran good in the upper rpm range, but not in the lower rpm range.  After the
> snubber upgrade & Renesis CAS modification, it ran great in the lower rpm
> range, but had a serious mis-fire beginning around 3800 rpm.  An attempt was
> made to correct the mis-firing problem by installing a resistor/zener diode
> circuit in the CAS lead (this strategy worked for another Renesis flyer).
> This approach was partially successful, but only up to the mid 6K range.
>
> Multiple phone calls to Tracy resulted in no fix.  I think he's hiding in
> Colorado so he won't have to take my calls. (I'm kidding, of course.)
>
> Finally, today (after months of struggling) I discovered what was causing
> the problem.  It now runs great up to 7300 rpm, verified by a full-power run
> down the runway.  Anyone want to guess as to what the problem turned out to
> be?
>
> Mark S.
>
>
>
>
>

------=_Part_3152_2356335.1189821457045
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

<div>Sorry Kelly, I changed&nbsp;the plugs&nbsp;so many times that I had&nbsp;considered buying stock in NGK.&nbsp; That wasn&#39;t the problem (too obvious).</div>
<div>&nbsp; </div>
<div>Mark<br><br>&nbsp;</div>
<div><span class="gmail_quote">On 9/14/07, <b class="gmail_sendername">Kelly Troyer</b> &lt;<a href="mailto:keltro@att.net">keltro@att.net</a>&gt; wrote:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<div>
<div></div>
<div>Sparkplugs........(dreaded &quot;SAG&quot;)</div>
<div>--<br>Kelly Troyer <br>&quot;Dyke Delta&quot;_13B ROTARY Engine <br>&quot;RWS&quot;_RD1C/EC2/EM2 <br>&quot;Mistral&quot;_Backplate/Oil Manifold <br><br><br><br>&nbsp;</div><br>
<blockquote style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">-------------- Original message from &quot;Mark Steitle&quot; &lt;<a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:msteitle@gmail.com" target="_blank">
msteitle@gmail.com</a>&gt;: -------------- <span class="q"><br><br>
<div>OK guys, here&#39;s one to think about.&nbsp; </div>
<div>&nbsp;</div>
<div>Problem:&nbsp; Major mis-fire at 6600 - 7000 rpm.&nbsp; Engine runs great up until it begins mis-firing.&nbsp; This is a 20B running an EC-2 that&#39;s been updated with the latest s/w (as of 9/1/07).&nbsp; This includes the snubber fix and a modification for the Renesis CAS.&nbsp; Before the snubber upgrade, the&nbsp;engine ran good&nbsp;in the upper rpm range, but not&nbsp;in the lower rpm range.&nbsp; After the snubber&nbsp;upgrade &amp; Renesis CAS modification, it ran great in the lower rpm range, but&nbsp;had a serious&nbsp;mis-fire&nbsp;beginning around 3800 rpm.&nbsp; An attempt was made to correct the mis-firing problem by installing a resistor/zener diode circuit in the CAS lead (this strategy worked for another Renesis flyer).&nbsp; This approach was partially successful, but only up to the mid 6K range.&nbsp; 
</div>
<div>&nbsp;</div>
<div>Multiple phone calls to Tracy resulted in no fix.&nbsp; I think he&#39;s hiding in Colorado so he won&#39;t have to take my calls. (I&#39;m kidding, of course.)&nbsp; </div>
<div>&nbsp;</div>
<div>Finally, today (after months of struggling) I discovered what was causing the problem.&nbsp; It now runs great up to 7300 rpm, verified by a full-power run down the runway.&nbsp; Anyone want to guess as to what the problem turned out to be?&nbsp; 
</div>
<div>&nbsp;</div>
<div>Mark S.</div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div>&nbsp;</div></span></blockquote></div></blockquote></div><br>

------=_Part_3152_2356335.1189821457045--