This is the Spektrum A3040 Sub-Micro Digital High Torque Aircraft Metal Gear Servo. The Spektrum A3040 28 oz-in of torque, 0.10-second transit time (at 6 volts), metal gear servo is a beautiful combination of speed, weight, and holding power for park flyer and slower aircraft. Ball bearing support around the output shank helps keep the servo precise for many flights to come.
Choose the A3040 servo for electric sailplanes and aircraft where the robust nature of metal gears is desired. The low deadband technology means that you’ll enjoy reliable accuracy and precision.
One Spektrum A3040 Sub-Micro Digital High Torque Aircraft Metal Gear Servo
Size Category: Minis and Micros
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 (12.6 g)
Bushing Or Bearing: Bearing
Motor Type: Cored
Connector Type: Z-connector
Gear Type: Metal
Voltage: 4.8 or 6.0V