It is 22cm long.

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Spirit System developer

I soldered the cable myself. I used a cable for Spektrum satellites and soldered on a 4-pin servo connector. This was left over from a Unisens-E. My cable is exactly the right length at 35cm. According to Spirit, the Spirit cable is only 22 cm long and therefore much too short. I have already pointed this out to Thomas. Perhaps Spirit will change the length.

Thanks for the info. Yea... that kind of defeats the purpose of buying a pre-built cable if you have to modify it. Looks like my cable shipped today so I assume I will need to modify it .

I have a ZTW 65A ESC which is pretty much the same of OMP M4 ESC. I guess the protocol is the same but Spirit setting window shows all 0s. (not N/A).

Can ZTW ESC be supported?

I got the cable I ordered today and it is too short for the OMPHobby M4 heli. Knowing that, I just made my own a week or so ago and got it working before this one arrived.