Roel's Learjet 45 simulator

#191 · July 15, 2025, 1:29 pm

I raised a support ticket at Siminnovations about this and received a mail from Corjan.
He came up with some remarks and offered that I pay a visit to their headquarters.
Nice offer!... you have to see this in real life I agree.
So I will take this offer, also because I am curious about their headquarters that is not that far away.

So.. to be continued....

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#192 · July 28, 2025, 12:54 pm

Today i visited Siminnovations "headquarters"
A small office at an industrial area.

Corjan and Ralph were both there (the only two employees) and they are great guys.
After determining what the issue was ; the stepper motor gets confused after some quick movements, we started troubleshooting.

We tried a lot of things with different settings and different hardware, like a Raspberry Pico.
So after a nice lunch in a nearby restaurant we hooked up an oscilloscope to measure pulses sent to the stepper.

There were some weird things seen what possibly was caused by the AirManager code.
It seemed the AM after some input set the stepper to zero, what could be the issue according to Corjan
That sounded logical to me, but frankly I had no idea...

So Corjan altered the code to avoid this zeroing.
And... problem solved!!!

My ADI now correctly corresponds to the sim's output, even after a loop or a roll.
I have a developers build now on my Arduino but this fix will be in the next update.

What a nice support!
We have been busy from 10:0o am until 3:00 pm!!

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#193 · July 28, 2025, 5:41 pm

Hey Roel,

Wow this is great news and incredible support, first hand! I am glad they were able to solve this problem for you. And if you have any further issues, now you have a personal rapport with them.

Sounds like you guys had a great time!

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#194 · December 8, 2025, 2:13 pm

I have been busy , after creating a prototype for the attitude gauge, with creating an standby altitude gauge.
I did not manage to create the mechanical drum ; these are very small .
3d printing a drum like that is hard.

I tried several drums from all kind of counters, but not a great success.
So i used tft displays instead (for now) .
There are 2 1.47" tft displays and a stepper motor for the needle.
I used an ESP32 for interfacing through the messageport option of Airmanager.

The prototype is functioning ok now, still have to make a casing where it all fits in.

Here is a little video:

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#195 · December 8, 2025, 5:48 pm

Hey Roel,

This is very cool to see working! I am with you, the full mechanical standby gauge using tiny gear drums looks to be nearly impossible to replicate. You have gone a lot further than I have in this department, I have only drawn up a prototype.

I would imagine you are planning to replace the blue tft displays with white ones? You already have the hard part behind you!

I am looking forward to seeing your final product!

#196 · December 9, 2025, 12:57 pm

Well the displays appear to be blue but characters are white.
I guess it is my filming makes them look blue or something
I did adjust the brightness so they are not so illuminated and match more an un-illuminated drum.
But not sure yet what displays are best oled or tft for this matter

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Roel's Learjet 45 simulator