Mailing List flyrotary@lancaironline.net Message #59582
From: Tracy <rwstracy@gmail.com>
Subject: Re: [FlyRotary] Re: Crickets & progress
Date: Mon, 11 Feb 2013 09:21:08 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
The one I used was PLX Devices model SM-AFR.   Paid $150.00 from a dealer on Ebay.   Might be found for less elsewhere.

Tracy

Sent from my iPad

On Feb 11, 2013, at 7:27 AM, "Ed Anderson" <eanderson@carolina.rr.com> wrote:

> Thanks for the suggestion, Ernest
>
> However, the cost of the wideband sensor kits I found approach (or are more than) the total cost of the EFISM - so not feasible marketing wise.  But, who knows - there are a bunch of them out there and I have not done an exhaustive search - yet.
>
> Ed
>
> --------------------------------------------------
> From: "Ernest Christley" <echristley@att.net>
> Sent: Sunday, February 10, 2013 8:07 PM
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Subject: [FlyRotary] Re: Crickets & progress
>
>>
>> On Feb 9, 2013, at 6:27 PM, Ed Anderson wrote:
>>
>>> Great to hear about your move to the wide band O2 sensor, Tracy.
>>>
>>> I looked into modifying the EFISM to do the same, but found the PID control supposedly necessary to precisely control the heater element of the wide band sensor to be much more complex than simply extending the voltage range to interpret the WB output.  Did you embed any PID control elements in the EC3 for temperature control - or just accepted any small? error associated with temp variations?
>>>
>>> Ed
>>
>> Ed, look at the LS1 line of Innovate sideband sensors.  They have their own computer that controls the heater, and it just puts out a 0-5V corresponding to the F/A mixture.
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