This is the Spektrum A3040 Sub-Micro Digital Hi-Torque Aircraft Metal-Geared Servo.
This 0.10-second transit time (at 6 volts) 28 oz-in of torque, metal gear servo is an ideal combination of weight, speed and holding power for slow and park flyer aircraft. Ball bearing support around the output shank helps keep the servo precise for many flights to come.
Choose the A3040 servo for electric aircraft and sailplanes where the robust nature of metal gears is desired. The low deadband technology means that you’ll enjoy reliable accuracy and precision.
Specifcations:Size Category: Minis and MicrosType: DigitalApplication: Slow and park flyer aircraftTorque: 23 oz-in (1.7 kg-cm) @ 4.8V / 28 oz-in (2 kg-cm) @ 6VSpeed: .12 sec/60° @ 4.8 / .10 sec/60° @ 6VLength: .93 in (23.6mm)Width: .45 in (11.5mm)Height: 1 in (25.5mm)Weight: .44 oz (12.6g)Bushing Or Bearing: BearingBearing: SingleMotor Type: CoredConnector Type: Z-connectorGear Type: MetalVoltage: 4.8 or 6.0V
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