Today's Message Index:
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1. 09:53 AM - Re: Re: Too many Circuit breakers.... (Robert L. Nuckolls, III)
2. 10:53 AM - Re: Too many Circuit breakers.... (andymeyer)
3. 01:29 PM - Re: Re: Too many Circuit breakers.... (Charlie England)
4. 07:05 PM - Re: Too many Circuit breakers.... (andymeyer)
5. 07:11 PM - Re: Re: Too many Circuit breakers.... (Charlie England)
6. 08:08 PM - Engine Monitor - Homebuilt Style... (andymeyer)
Message 1
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| Subject: | Re: Too many Circuit breakers.... |
At 11:04 PM 5/10/2022, you wrote:
>
>Drew this up in upverter.com... Not the best for schematics, but I
>think this gets the idea across. Pinouts of devices aren't defined
>here. Fuse Blocks are the above recommended fuse blocks.
What engine are you planning?
Bob . . .
Un impeachable logic: George Carlin asked, "If black boxes
survive crashes, why don't they make the whole airplane
out of that stuff?"
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| Subject: | Re: Too many Circuit breakers.... |
Bob,
It's an O-235 C1C with 8.5:1 pistons and dual Lightspeed Plasma III's. Carbureted...
No vacuum system or mags. She's flying right now (with 1 mag, 1 Plasma III),
but our ramp shuts down for 10 weeks so I'll be doing this upgrade then.
My diagram is somewhat derived from the Z11 (might be an older version since it
still had the AEC9001-1 in it - I bought your book years ago...
Engine monitor is an ~30 channel system with 2 ARM Cortex-M7's (one in the instrument,
one back by the engine) and a 3.5inch touchscreen... Should have put dual
independent power inputs on it. Maybe on my next rev of the PCBA.
Andy
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=506734#506734
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| Subject: | Re: Too many Circuit breakers.... |
On 5/11/2022 12:53 PM, andymeyer wrote:
>
> Bob,
>
> It's an O-235 C1C with 8.5:1 pistons and dual Lightspeed Plasma III's. Carbureted...
No vacuum system or mags. She's flying right now (with 1 mag, 1 Plasma
III), but our ramp shuts down for 10 weeks so I'll be doing this upgrade then.
>
> My diagram is somewhat derived from the Z11 (might be an older version since
it still had the AEC9001-1 in it - I bought your book years ago...
>
> Engine monitor is an ~30 channel system with 2 ARM Cortex-M7's (one in the instrument,
one back by the engine) and a 3.5inch touchscreen... Should have put
dual independent power inputs on it. Maybe on my next rev of the PCBA.
>
> Andy
The monitor sounds really nice. Are you gonna Bogart
<https://www.youtube.com/watch?v=pSgGCOHuO1U> the design, or share?
;-)
Charlie
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| Subject: | Re: Too many Circuit breakers.... |
Charlie,
Starting a new topic on the engine monitor...
Andy
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=506738#506738
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| Subject: | Re: Too many Circuit breakers.... |
On 5/11/2022 9:04 PM, andymeyer wrote:
>
> Charlie,
>
> Starting a new topic on the engine monitor...
>
> Andy
>
>
Sounds good!
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| Subject: | Engine Monitor - Homebuilt Style... |
So, this came up in another thread and I was asked to share... Plan is to write
it up for Sport Aviation, but this group has been such a help over the years,
and such a knowledge-base for both my fun and my engineering career, I'll share
here.
As is the expectation of this group, I want to learn how to do this better as well.
I have thick skin and am open to making this better. My wife laughs every
time I cringe and delete all of the traces on the PCBA design software and start
re-laying out the boards. It's part of the sickness. This is experimental.
I needed a good, data recording engine monitor for my Long EZ. I wanted a better
leaning algorithm that I could find on the market, a basic air data computer,
more I/O, and a simple interface. The first picture shows the new screen - 3.5"
capacitive touch screen in operation, the 2.8" screen for comparison (half
the resolution of the 3.5") and the first revision of the PCBA's. The next revision
is on its way.
The system consists of a module that sits near the engine on my Long EZ which runs
a Teensy 3.6 microcontroller that is attached to a board I designed that collects
data from 20 channels filters it and sends it via RS232 to the display
module. The display module collects another 10 channels of data (and has spare
serial inputs for expansion) and processes it on a Teensy 4.1. It stores it
every .5 second on a uSD card and displays it.
I'm currently flying with the 2.8" version and really like the clear presentation
of data, though the 3.5" version affords me more data on the screen at a time
and easier viewing. The 3.5" version will be installed with the panel upgrade
that I'm getting help with in another thread. Future updates to the software
will include some AI for predictive performance and engine health monitoring...
The PCBA designs are done (and redone, and redone) in upverter - a great free circuit
design tool.The enclosures are designed in onshape and the software is
all C, written in the Arduino IDE. If anyone is interested in helping this project
along, I'm game... Charlie, passing the joint. My wife and I got a kick
out of the video (after the kids were in bed.)
Andy
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=506740#506740
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