Brookstone flightforce User Manual page 32

Situation
5 Strong vibration of
vehicle
6 Tail still off trim after
tab adjustment, or
inconsistent speed
during left/right turning
7 Vehicle still lean
forward after trim
adjustment during
hover
30
Cause
Deformed blades
1.Damaged rotors
2.Damaged tail drive
motor
3.Not detected
horizontal point
Gyroscope does not
read the midpoint
Way to deal
Replace blades
1.Replace blades
2.Place on flat ground, reboot
Turn off vehicle and
controller and reopen again