FMS Ranger Trainer 850mm Startup Issue (Throttle Not Working)
Just a quick share to show the bootup procedure of the FMS ranger, as it can take around 20-30 seconds for the accelerometers and gyros to calibrate before it will arm the motors/elevator. Just incase someone else has this issue and cant find any info about it on the internet:
FMS Ranger Trainer 850mm Startup Process (Throttle Not Working)
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