I had a tail Servo on a past model (760microsecond center frequency) for nitro throttle control… worked great when I flew MSH Brain2. I don’t see the ability to change the Spirit 2/GT/GTR for that type of Servo.

Is the throttle port capable of handling a tail Servo?

Not supported at the moment.
Spirit has support for 760us servos even at 700Hz as the only one FBL but throttle servo should be 1520us.
In the future it can be supported.

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Spirit System developer

Thanks for confirming the throttle servo type. My old Velocity 90 nitro model in down for the season, needs a full rebuild. I was using a tail servo with the Brain2 HD. I sold all my Brains and purchased Spirit RS and GTR’s instead.

Thanks for great work in supporting the Spirit product!