Feiyu Electronics Company
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P a g e
Vibration damping
a)
The FY31AP flight controller algorithms can work under normal vibration levels. However if
the vibration and shock experienced by the sensors are excessive, stabilization can fail of
the system can shut down altogether.
b)
To achieve the best stabilization and flight performance, minimize the amount of vibration
on the aircraft as best you can.
c)
Examples of vibration reduction steps that can be taken:
i)
Ensure your motors are mounted properly and squarely.
ii)
Balance your propellers regardless of the manufacturer’s claim of perfect balance out
of the box.
iii)
Balance your motor bell housing (if possible).
iv)
Ensure rigidity of your frame (no flexing with motor rotation).
v)
Use appropriate propeller length and pitch for the size of your aircraft.
d)
The FY31AP is supplied with the double-sided foam padding dampers. Please use them as
shown below:
Checking for Vibration Levels
To confirm correct vibration damping, please follow this procedure:
a)
After connecting all wires between to the FY31AP, including RC Receiver and ESC, install
the unit on your plane (ensure correct orientation).
b)
Run the plane engine or motor at different throttle levels. DO NOT TAKE OFF.
c)
At each throttle position, observe the state of the red LED light. If it stays OFF, that
means your vibration level is acceptable.
d)
If instead the red LED lights up and stays
ON solid, then the vibration dampening is not
enough. You will need reduce the level of vibration on your aircraft. Refer above
suggestions on vibration reduction.
