Mailing List flyrotary@lancaironline.net Message #39298
From: Bob White <rlwhite@comcast.net>
Subject: Re: [FlyRotary] Which type resistors for the EC2. Trouble narrowed down.
Date: Sun, 2 Sep 2007 07:26:17 -0600
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Hi Dave,

Either type resistor should be OK.  I sell the Vishay/Dale 25RH-5.0
resistors for $3.15 each. See
http://www.mouser.com/catalog/631/564.pdf.  Let me know if you want a
couple of them.

Bob W.

On Sat, 1 Sep 2007 21:22:41 -0700
"David Leonard" <wdleonard@gmail.com> wrote:

> 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?
>


--
N93BD - Rotary Powered BD-4 - http://www.bob-white.com
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