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 youll enjoy reliable accuracy and precision.
Features:
Metal Gears
Specifcations:
Size Category: Minis and Micros
Type: Digital
Application: Slow and park flyer aircraft
Torque: 23 oz-in (1.7 kg-cm) @ 4.8V / 28 oz-in (2 kg-cm) @ 6V
Speed: .12 sec/60° @ 4.8 / .10 sec/60° @ 6V
Length: .93 in (23.6mm)
Width: .45 in (11.5mm)
Height: 1 in (25.5mm)
Weight: .44 oz (12.6g)
Bushing Or Bearing: Bearing
Bearing: Single
Motor Type: Cored
Connector Type: Z-connector
Gear Type: Metal
Voltage: 4.8 or 6.0V