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Spirit system setup - cyclic tunning question
https://www.spirit-system.com/phpBB3/viewtopic.php?f=20&t=3220
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Author:  Denndb [ Tue 19. Mar 2019 10:47:16 ]
Post subject:  Spirit system setup - cyclic tunning question

Hello,

I have trex 450 with Spirit System and I'm just doing setup of my system...

What I did so far - servo arms are more-less perpendicular to the shaft, swash is precisely leveled (for finetunning I was using subtrim from Spirit System app), blades pitch in neutral position is 0.

Then I have used "Servo travel correction" and Collective pitch tunning from Spirit app to adjust similar collective pitch range (cca +- 11 degrees) up and down. Servo tralev correction is now more less set OK and I took care that all three cyclic servos have all the same upper and lower limits set.

After that I have used the option Cyclic Ring (tunning) to set cyclic range (cca 8 degrees).

The problem I can see now is the following:
It's very strange that cyclic range changes as I move collective pitch up and down! It's cca 7 degrees in neutral, but it's cca 11 degrees when collective pitch is in lowest position and cca 3 degrees when collective pitch is in highest position.

Please, any idea what did I do wrong in my setup and how to fix that?

Thanks for your support,
Denis

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