How to Fix Jittery Servos on an FPV Wing

Question: What causes jittery servos on an FPV wing?

Answer: Jittery servos on an FPV wing are usually caused by electrical noise, poor power supply, or signal interference. First, check your battery voltage to ensure it’s stable and within the servo’s operating range. Use a dedicated BEC or voltage regulator if needed. Next, verify all servo connections are secure and that the servo leads aren’t damaged or frayed. Electrical noise from the motor or ESC can cause jitter; try adding ferrite beads on servo wires or rerouting them away from power cables. Also, ensure your receiver antenna is well positioned and not too close to noisy components. If using an analogue receiver, consider switching to a digital protocol like SBUS or CRSF for cleaner signals. Finally, test with a different servo or receiver to isolate the problem. If jitter persists, calibrate your transmitter and check for binding issues. Following these steps will usually eliminate servo jitter and improve your FPV wing’s control smoothness.