Goosky E2 GPS Servo Adjustment

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Goosky E2 GPS — Servo Midpoint & Pitch Calibration Guide

This procedure allows you to manually center the cyclic servos and adjust positive and negative pitch on the Goosky E2 GPS flight controller using the onboard calibration button.

⚠️ Before You Begin

  • Remove the main blades for safety.
  • Ensure the transmitter is powered on and bound.
  • Throttle hold should be enabled.
  • Helicopter should be placed on a stable level surface.

Step 1 — Enter Servo Adjustment Mode

  1. Power on the helicopter and transmitter.
  2. Locate the momentary button on the E2 GPS flight controller PCB.
  3. Press and hold the button for approximately 3 seconds continuously.
  4. The system will enter Servo Midpoint Adjustment Mode.

Step 2 — Select Adjustment Mode

The flight mode switch on the transmitter determines which adjustment is being performed. The switch is labeled G / V / M on the transmitter.

Switch positions: Back = G (GPS) | Middle = V (Vision) | Forward = M (Manual)

G — GPS Mode (Switch Back) — Positive Pitch Adjustment

  • Move the flight mode switch to the G position (GPS mode).
  • This position adjusts maximum positive collective pitch.
  • Use the transmitter controls to increase or decrease positive pitch.

V — Vision Mode (Middle Position) — Servo Midpoint Adjustment

  • Move the flight mode switch to the V position (Vision mode).
  • This mode adjusts the center position of the three cyclic servos.
  • Use the transmitter sticks (up / down / left / right) to adjust servo centers.
  • Adjust until the servo horns are centered and the swashplate is level.

M — Manual Mode (Switch Forward) — Negative Pitch Adjustment

  • Move the flight mode switch to the M position (Manual mode).
  • This position adjusts maximum negative collective pitch.
  • Use the transmitter controls to adjust negative pitch.

Step 3 — Exit Calibration

  1. Once adjustments are complete, power cycle the helicopter.
  2. Verify the following:
    • Swashplate remains level at center stick.
    • Positive and negative pitch are symmetrical.
    • Servos return smoothly to center.

Important Notes

  • The onboard Bluetooth module cannot be used for configuration.
  • The Bluetooth function is disabled in the firmware.
  • All calibration must be performed using the onboard button and transmitter controls.

🔧 Troubleshooting

  • Swashplate not level – Re-enter midpoint mode and level the swashplate.
  • No collective movement – Confirm calibration mode was entered.
  • Servo horns misaligned – Reinstall horns after midpoint adjustment.

Guide provided by New England RC — Support for Goosky helicopters and RC electronics.