is there anyone who use micro spirit on 500 size heli? if so; how is it so far?

uSpirit on 500 class helicopter shouldn't be used. It is not recommended at all.

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Spirit System developer

Thinking about placing a uSpirit on a FLYBAR heli that swings 325mm blades. This is due to HORRENDOUSLY limited space inside the frame. Some folks might regard this as a 450 sized heli but the blades are significantly shorter than blades 500 class helis swing.

Questions:

-Will a uSpirit work in this scenario?

- If not, I would need to mount a larger Spirit flybarless unit upside down on the bottom of the frame. If mounted in this orientation using the sticky mounting pad, I suppose a very small zip tie placed through soft flexible silicone tubing loosely-to moderately snugly tightened (the zip tie) would be necessary to provide needed security against losing the unit in flight. Thoughts ? Thank you.

Hello,

uSpirit can handle this, but we do not recommend it because you will need 4x JST-Servo adapters and possible current requirements can be too high.
Using a bigger Spirit unit will be safer for sure.

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Spirit System developer