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Date: Tue, 7 Jul 2009 15:57:55 -0500
Message-ID: <5cf132c0907071357r164ebaa0mef30e91fba1fb405@mail.gmail.com>
Subject: Re: [FlyRotary] Re: SAG - NKG
From: Mark Steitle <msteitle@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Kelly,

I had to resort to using 100LL on my recent trip from Austin to Denver and
back.  I burned a total of 56 gallons of 100LL.  This was mixed with what
was left in the tanks at the time (approx 40 gallons), so it was a blend of
mogas and 100LL.  I looked at the plugs after arriving back in Austin and
observed a distinct whitish residue around the thread base, but none on the
center or ground electrodes.  It was still running fine when I arrived, and
I refueled the following day with 40 gallons of Valero mogas.  Most of my
flying allows me to refuel at my home base, so it will probably be quite a
while before I burn enough 100LL to make any reasonable assessment.

Quite frankly, I was more concerned with the effect the 100LL had on the O2
sensor.  I didn't notice any change in my mixture readings though.

Mark S.

On Tue, Jul 7, 2009 at 11:26 AM, Kelly Troyer <keltro@att.net> wrote:

>  Mark,
>    Be sure to update the group on how many hours you get on the Renesis
> (Iridium) plugs
> before "SAG".............I know you primarily use auto fuel which will
> retard the onset of
> "SAG" a lot but if you have to use aviation low lead periodically on
> X-country flights
> you might figure what the percentage was of auto (versus) low lead used
> during the hours
> before "SAG" reared its ugly head................
> --
> Kelly Troyer
> "Dyke Delta"_13B ROTARY Engine
> "RWS"_RD1C/EC2/EM2
> "Mistral"_Backplate/Oil Manifold
>
> -------------- Original message from Mark Steitle <msteitle@gmail.com>:
> --------------
>
> John,
>
> I've been running Renesis (irridium) plugs in my 20B with good results.  Of
> course, they're about 5 times the price of the standard plugs.  But if they
> last 5 times longer, I feel that they are worth the price.
>
> Mark S.
>
>
>

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<div>Kelly, </div>
<div>=A0</div>
<div>I had to resort to using 100LL on my recent trip from Austin to Denver=
 and back.=A0 I=A0burned a total of 56 gallons of 100LL.=A0 This was mixed =
with what was left in the tanks at the time (approx 40 gallons), so it was =
a blend of mogas and 100LL.=A0 I looked at the plugs after arriving back in=
 Austin and observed a distinct whitish residue=A0around the thread base, b=
ut none on the center or ground electrodes.=A0 It was still running fine wh=
en I arrived, and I refueled=A0the following day=A0with 40 gallons of=A0Val=
ero mogas.=A0 Most of my flying allows me to refuel at my home base, so it =
will probably be quite a while before I burn enough=A0100LL to make any rea=
sonable assessment.=A0 </div>

<div>=A0</div>
<div>Quite frankly, I was more concerned with the effect=A0the 100LL had on=
 the O2 sensor.=A0 I didn&#39;t notice any change in my mixture readings th=
ough.=A0=A0</div>
<div>=A0</div>
<div>Mark S.=A0<br><br></div>
<div class=3D"gmail_quote">On Tue, Jul 7, 2009 at 11:26 AM, Kelly Troyer <s=
pan dir=3D"ltr">&lt;<a href=3D"mailto:keltro@att.net">keltro@att.net</a>&gt=
;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0=
px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<div>
<div></div>
<div>Mark,</div>
<div>=A0=A0 Be sure to update the group on how many hours you get on the Re=
nesis (Iridium) plugs</div>
<div>before &quot;SAG&quot;.............I know you primarily use auto fuel =
which will retard the onset of </div>
<div>&quot;SAG&quot; a lot but if you have to use aviation low lead periodi=
cally on X-country flights</div>
<div>you might figure what the=A0percentage was=A0of auto (versus) low lead=
 used during the hours</div>
<div>before &quot;SAG&quot; reared its ugly head................</div>
<div>--<br>Kelly Troyer <br>&quot;Dyke Delta&quot;_13B ROTARY Engine <br>&q=
uot;RWS&quot;_RD1C/EC2/EM2 <br>&quot;Mistral&quot;_Backplate/Oil Manifold <=
br></div>
<blockquote style=3D"PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #101=
0ff 2px solid">-------------- Original message from Mark Steitle &lt;<a hre=
f=3D"mailto:msteitle@gmail.com" target=3D"_blank">msteitle@gmail.com</a>&gt=
;: -------------- <br>
<br>
<div>John, </div>
<div>=A0</div>
<div>I&#39;ve been running Renesis (irridium) plugs in my 20B with good res=
ults.=A0 Of course, they&#39;re about 5 times the price of the standard plu=
gs.=A0 But if they last 5 times longer, I feel that=A0they are=A0worth the =
price.</div>

<div>=A0</div>
<div>Mark S.=A0 <br><br></div>
<div class=3D"gmail_quote">
<blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0=
px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<div bgcolor=3D"#ffffff">
<div><font face=3D"Arial" size=3D"2"></font></div></div></blockquote></div>=
<br></blockquote></div></blockquote></div><br>

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