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From: Bulent Aliev <atlasyts@bellsouth.net>
Subject: Re: [FlyRotary] Re: Frustration. The seriesl....
Date: Mon, 21 May 2007 17:28:42 -0400
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>

Finn,
  I have fat 16 gauge wire +12V to the injectors and 18 gauge  
shielded 2 conductor for each pair between the injectors and the EC2  
about 6' long run.
Buly
On May 21, 2007, at 10:29 AM, Finn Lassen wrote:

> What gauge wire?
>
> How did you check the resistance of the wire? Several hundred feet  
> of it or with a real low-ohm meter?
> Continuity doesn't count here. A typical muti-meter passes only a  
> very few milli-amps through the circuit when ohming it.
> I imagine that the injector peak current is several amps, maybe  
> even more than 10 amps.
>
> Two aspects to this: the +12 Volt wire(s) to the injectors could be  
> unshielded and a nice big fat one. The wire from the other side on  
> the injector to the EC-2 is probably best shielded, but it better  
> be thick enough to carry the current without significant voltage  
> drop. Especially important in your airplane where the prop is on  
> the wrong end :). I guess you easily have more than 10 feet of wore  
> from the EC-2 to the injectors?
>
> Finn
>
> Bulent Aliev wrote:
>> Al,
>> I have two EC2's. Bob White sent me his to test against mine. The  
>> NOP is flashing on both and A/B processors too.
>> I have power to pins 33 and 34.
>> Spark plug / ignition test on Mode 8 works fine.
>> 2 Serial leads have connectivity between EC and EM.
>> Since I have a second EC to swap, the EC is not a suspect.
>> During the Tracy's update I replaced the single wires to the  
>> injectors with two pairs of shielded 18 gauge I got at S&F.
>> I started suspecting the wire, since it has one blue and one white  
>> wire inside. The number on the wire is: 2112/202SJ-18 1F2Y2.
>> I thought it may be a some kind of resistor wire? But we tested  
>> resistance, and checked fine?
>> Thanks Al. Looks like I need dumb luck to get out of this one :)
>> Buly
>>
>
>
> --
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