Received-SPF: pass
 receiver=logan.com; client-ip=205.152.59.64; envelope-from=atlasyts@bellsouth.net
Mime-Version: 1.0 (Apple Message framework v752.2)
In-Reply-To: <list-2054238@logan.com>
References: <list-2054238@logan.com>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
Message-Id: <43192652-1501-4225-8A5F-575967A7DA9C@bellsouth.net>
Content-Transfer-Encoding: 7bit
From: Bulent Aliev <atlasyts@bellsouth.net>
Subject: Re: [FlyRotary] Re: Frustration. The seriesl....
Date: Sat, 19 May 2007 23:08:10 -0400
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>

Thanks Bob,
I'll try that too.
Buly
On May 19, 2007, at 9:13 PM, Bob White wrote:

> Hi Buly,
>
> Here's a possibility.  Maybe the shielded wire is giving you a lot of
> capacitance to ground.  When you do a DC test by shorting the pin to
> ground it would work fine, but the pulses from the EC2 could be
> attenuated or have a very slow rise and fall times throwing the
> injector timing and pulse width off.  If it isn't too hard to do, you
> might try making sure the shield isn't connected to anything at either
> end.  If that's the problem, I ungrounding it would help.
>
> Bob W.
>
> On Sat, 19 May 2007 19:47:15 -0400
> Bulent Aliev <atlasyts@bellsouth.net> 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
>>
>> On May 19, 2007, at 8:29 PM, Al Gietzen wrote:
>>
>>> Buly;
>>>
>>> Two things:  Have you checked that the processor chip(s) are fully
>>> seated in
>>> plug (base); and -  is the behavior the same for both controllers?
>>>
>>> If you have +12 power to pins 33 or 34, and you have the serial lead
>>> connected to the EM2, and the processor in functioning, you should
>>> not see
>>> NOP.  Possibly something has happened in shipping or handling.   
>>> If the
>>> processor is not functioning of course you can not trigger the
>>> injectors.
>>>
>>> Good luck,
>>>
>>> Al
>>>
>>>
>>> --
>>> Homepage:  http://www.flyrotary.com/
>>> Archive and UnSub:   http://mail.lancaironline.net:81/lists/
>>> flyrotary/List.html
>>
>>
>> --
>> Homepage:  http://www.flyrotary.com/
>> Archive and UnSub:   http://mail.lancaironline.net:81/lists/ 
>> flyrotary/List.html
>
>
> -- 
> N93BD - Rotary Powered BD-4 - http://www.bob-white.com
> 3.8 Hours Total Time and holding
> Cables for your rotary installation - http://www.roblinphoto.com/shop/
>
> --
> Homepage:  http://www.flyrotary.com/
> Archive and UnSub:   http://mail.lancaironline.net:81/lists/ 
> flyrotary/List.html