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  #1   IP: 138.207.177.95
Old 09-12-2022, 09:27 AM
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Is the EWDS no more?

I went looking for it in the catalog section and can't find it
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  #2   IP: 104.174.83.118
Old 09-12-2022, 11:55 PM
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As I was involved with the EWDS, I'll field this question. Yes Joe, you are correct. A decision was made to sunset the product.

We enjoyed favorable response and excellent performance of the product and reached a point where the printed circuit board supply ran low (there are two per unit). To continue offering the EWDS, a significant order of custom made PCBs from an offshore source became necessary. Being custom made, the quantities involved for decent pricing were, in a word, excessive.

There were several other factors involved but the PCBs were the tipping point. The discussion went on for a while and the decision was not made easily. A factor in the timing was to still have enough PCB supply on hand to support products in the field for a very long time.
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Last edited by ndutton; 09-13-2022 at 12:23 AM.
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Old 09-13-2022, 09:51 AM
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Unfortunate, but understandable, I suppose.

This was by far the most innovative of all the products in the MMI family.

Thanks to Neil for his dedication to making it happen.

Bill
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  #4   IP: 138.207.177.95
Old 09-13-2022, 10:07 AM
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Can I make a suggestion?
Why not make a low fuel pressure buzzer/light product?
Most of us have or can easily set up the low oil pressure and overheating alarms, but almost no one has a low fuel pressure alarm that does not have the EWDS. I happen to have a fuel pressure gauge in the cockpit with a red light that comes on at 1 PSI or less, but most of the fleet either has nothing or a mechanical gauge near the engine, not cockpit readable.

You have the low fuel pressure switches still I presume. That and a light/buzzer and you are set
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  #5   IP: 104.174.83.118
Old 09-13-2022, 04:52 PM
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A low fuel pressure stand alone system can be cobbled together from off the shelf parts but it will need it's own indicator (buzzer and/or light). I'm not inclined to spend the time to make a proper product proposal to MMI for such a system but that shouldn't deter anyone else from doing so if they have the passion.

The first step is a working prototype.
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Old 09-13-2022, 11:43 PM
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The EWDS has been on my wish list...

The longer I have been maintaining this motor the more I appreciate the unique types of data that can help with prevention and diagnostics.

If anyone is parting with their EWDS system in the future, I would consider buying a used system. Instrumenting this motor gives me greater confidence in ongoing operation and diagnostics.

Thanks for creating this system which represents a lot of instrumentation wisdom I have picked up piecemeal in the threads here.

Fair winds as EWDS goes end of life and into support only. All understandable.

Thankful for the forum and Moyer.
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Old 09-14-2022, 09:04 AM
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What is the part number for the low fuel pressure sender?
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Old 09-14-2022, 10:46 AM
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Neil, Don,

If the EWDS is going into end-of-life support only, why not make the PC board CAD files public domain? This way, DIYers with electronics experience could use one of the PC Board prototyping companies (such as JLCPCB), to fab them.

These prototyping shops have prices that, while too high for production work, are quite tolerable for a hobbyist doing a one-off project.
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  #9   IP: 104.174.83.118
Old 09-14-2022, 07:54 PM
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Quote:
Originally Posted by edwardc View Post
Neil, Don,
If the EWDS is going into end-of-life support only, why not make the PC board CAD files public domain? This way, DIYers with electronics experience could use one of the PC Board prototyping companies (such as JLCPCB), to fab them.
For anyone interested, contact me via PM or email through the forum software and I'll reply with the circuit board CAD files attached. They'll be in AutoCAD Drawing EXchange Format (dxf).

Quote:
Originally Posted by joe_db View Post
What is the part number for the low fuel pressure sender?
Anfield SPFL-3F-2M-B-TS

If sourcing your own, it must be gasoline and alcohol rated, normally closed contacts and low pressure (~1 PSI). The Anfield part number above comes factory preset @3PSI, must be adjusted down to be useful for our application.
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