PHA-300

HOME ＞PRODUCT ＞AUXCIRCUIT ＞PHA-01 & PHA-300 FOR EP Helicopter

Link: Photos of the front & back of the circuit board.

	*GW/PHA-01***
	L: 37mm W: 25 mm H: 9.4mm Weight : 12g (0.4 oz)
	After system power on, the GYRO will be automatically setup.
	Low Battery Indicator
	For safety reason, the Speed Controller can only be activated when the throttle stick of transmitter is at the lowest position.
	GYRO gain control
	Mixer gain control
	GYRO Reversing SW
	BEC : 5V/1.2A
	Main rotor ESC : 10A/12A Max.
	Tail rotor ESC : 2A/4A Max.
	Suggestion : For continuous flying this helicopter, we highly recommend moving PHA-01 outside the cabinet and receiver to the back, showed as picture. It avoids malfunctions from heat. (Photo)

	*GW/PHA-300***
	The rudder will be set in netural and the GYRO will be ready & armed automatically in 2 ~ 3 seconds after system is powered on.
	Improve the performance of motor with better control and smooth fight. Reduce the heat of Mos-EFT.
	Low Battery Indicator for 8.4 V Ni-MH and Li-Polymer Batteries.
	L: 37mm W: 25 mm H: 9.4mm Weight : 12g (0.4 oz)
	20 AWG Silicone Battery Power Wire with gold-plated JST connector for better connection.
	Low Battery Indicator (Below 5.6V)
	For safety reason, the PHA300 can only be activated & armed when the throttle is fully closed.
	Gyro Gain: GYRO Gain Control Pot
	Mixer Gain: Mixer Gain Control Pot
	SW: GYRO Reversing Switch
	BEC : 5V/1.2A
	Main rotor ESC : 10A/12A Max.
	Tail rotor ESC : 2A/4A Max.
	20 AWG Silicone Battery Power Wire with gold-plated JST connector for better connection.
	Easy to adjust ensure you have a smooth flight.
	Suggestion : For continuous flying this helicopter, we highly recommend moving PHA-300 outside the cabinet and receiver to the back, showed as picture. It avoids malfunctions from heat. (Photo)

1. PHA-01 Mixerboard Panel Instruction

(1) 3 in one mixerboard adjustment
*Main: 2- pin header for main motor.
*Tail: 2-pin header for tail motor
*Mixer Gain: "+" (clockwise) increase the tail motor output, "-" (counterclockwise) decrease the tail motor output.
*Gyro Gain: "+" (clockwise) increase the ability of gyro to balance the helicopter (stable but less active), "-" (counterclockwise) decrease the ability of gyro to balance the helicopter (active but less stable).
*SW: #1 reversing switch for gyro. #2 Spare. (Both switches are set to the correct positions at GWS HQ)

(2) Adjustment Instruction:
(Please disconnect the battery before any adjustment. Please reset the mixerboard by re-connecting the power after any adjustment.)
*With Motor 150: The Mixer Gain is set to around 2 ~3 o'clock direction & the Gyro Gain is set to Maximum.
*With Motor 300: The Mixer Gain is set to around 12 ~1 o'clock direction & the Gyro Gain is set to Maximum.
The above setting is for beginner to control and maneuver the GWS Dragonfly easily.

*For advanced flyers, you can adjust the mixerboard based on your skills and preference.

Due to the aging of motors, the performances of motors decrease. You can balance the helicopter by adjusting mixer gain.

Please refer to the PHA-01 Instruction Manual for details.

If the motor(s) performance deteriorates (RPM or power decreases) and you cannot maneuver the helicopter properly by any adjustment the mixerboard, please change the motor(s).