Steve,
Zener Circuit attached. – Needed for my EC2 but had to remove for EC3. Dennis H. is using the same circuit.
Bobby
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]
Sent: Sunday, January 26, 2020 6:48 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: EC CAS input circuit mods by Tracy
Thanks very much Bobby.
Appreciated.
Steve
> On 26 Jan 2020, at 11:25 am, Bobby J. Hughes bhughes@qnsi.net <flyrotary@lancaironline.net> wrote:
>
> Steve,
>
> Not sure what Tracy added but several of us added a Zener and a couple of resistors to clamp the peak to peak voltage above about 5000 rpm. I have my notes somewhere. I’m traveling next week and will try to locate the info . Now when I swapped in my EC3 the engine would not start. Tracy had me remove the Zener circuit and it fired right up. I believe he added a circuit the may be the same one used in the car. I believe the car uses two resistor across the CAS wires. It’s in the RX8 manual. So you may have resistors or a Zener circuit.
>
> Bobby
>
> Sent from my iPad
>
>> On Jan 25, 2020, at 6:21 PM, Stephen Izett stephen.izett@gmail.com <flyrotary@lancaironline.net> wrote:
>>
>> Hi guys
>>
>> Tracy added some components to the CAS inputs of my EC2 before I purchased it from someone years ago.
>> They have heat shrink over them.
>> Does anyone know what lies beneath before I disturb it? Zener!!
>>
>> Was this a fix required for the EC3 on Renesis CAS or only the EC2?
>>
>> Appreciate any feedback.
>> Thanks.
>>
>> Steve Izett
>>
>>
>>
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