Translations:Manuals:MBPlusFblV5:Parametermenu/7/en

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Speed flight stability (Point C)

When in fast forward flight apply jerky collective pitch inputs to test this parameter. The helicopter should mainly remain in its horizontal flight path during climbing and descending. If the nose of the helicopter is pitching up and down heavily like a swimming dolphin, increase the setting to compensate for this effect. But if the value is too high, the helicopter might feel sluggish and lazy. So it's best to try finding the lowest suitable setting. Note that the Cyclic Gain (usually set by Dial 1) must be set as high as possible as well. Otherwise the pitching up just may be the result of too low reaction of the gyro system in general.

If the helicopter is still pitching up at the highest value and maximum possible cyclic gain, check whether the swashplate has enough cyclic throw at high collective pitch values or use faster and stronger servos and rotor blades with very neutral phasing (for example blades specifically designed for flybarless helis).

Status-LED Speed flight stability
purple very low
red flashing low
red medium
blue flashing high
blue very high