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PostPosted: Tue 19. Mar 2019 10:47:16 
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Joined: Sat 02. Mar 2019 13:28:05
Posts: 31
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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