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Message-ID: <1c23473f0709012122w4f1ea22dkdc2960719f8edad6@mail.gmail.com>
Date: Sat, 1 Sep 2007 21:22:41 -0700
From: "David Leonard" <wdleonard@gmail.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Which type resistors for the EC2. Trouble narrowed down.
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I now have to definitely recommend the installation of injector disable
switches.  In my recent flights I have come upon periods of extreme mixture
variations and rough running engine.  Because of the injector disable
switches, I have been able to trace the problem to the secondary injectors
(somewhere in that circuit).  Of course, the fact that I recently installed
the disable switches remains as a possible cause of my problems, but that is
irrelevant.

To further narrow the hunt, I would like to simply install a different pair
of secondary injectors, which I happen to have lying around.  trouble is,
they are peak-and-hold type and require resistors per Tracys instructions.
I thought I would just run out to radioshack this morning and pick some up.
But I see that it is not that easy.  Tracy calls for 5 ohm 25 watt
resistors.  Radio shack does not sell anything like that.  Digikey has 2
types with that rating, thick film and wire wound.  For those of you who
hear electronic speak and it does not sound like "blah blah voltage blah
blah", does it matter which type I order?  The wire wound are about half the
price, but that matters not.  I just want to keep the magic smoke inside the
box and the propeller going round and round.

Suggestions?

-- 
David Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRoster.net
http://RotaryRoster.net

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<div>I now have to definitely recommend the installation of injector disable switches.&nbsp; In my recent flights I have come upon periods of extreme mixture variations and rough running engine.&nbsp; Because of the injector disable switches, I have been able to trace the problem to the secondary injectors (somewhere in that circuit).&nbsp; Of course, the fact that I recently installed the disable switches remains as a possible cause of my problems, but that is irrelevant.
</div>
<div>&nbsp;</div>
<div>To further narrow the hunt, I would like to simply install a different&nbsp;pair of secondary&nbsp;injectors, which I happen to have lying around.&nbsp; trouble is, they are peak-and-hold type and require resistors per Tracys instructions.&nbsp; I thought I would just run out to radioshack this morning and pick some up. But I see that it is not that easy.&nbsp; Tracy calls for 5 ohm 25 watt resistors.&nbsp; Radio shack does not sell anything like that.&nbsp; Digikey has 2 types with that rating, thick film and wire wound.&nbsp; For those of you who hear electronic speak and it does not sound like &quot;blah blah voltage blah blah&quot;, does it matter which type I order?&nbsp; The wire wound are about half the price, but that matters not.&nbsp; I just want to keep the magic smoke inside the box and the propeller going round and round.
</div>
<div>&nbsp;</div>
<div>Suggestions?<br clear="all"><br>-- <br>David Leonard<br><br>Turbo Rotary RV-6 N4VY<br><a href="http://N4VY.RotaryRoster.net">http://N4VY.RotaryRoster.net</a><br><a href="http://RotaryRoster.net">http://RotaryRoster.net
</a> </div>

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