HS 81 Micro Servo

The HS-81 is among our most popular servos. Available in both resin and metal gear versions. With a fine balance between speed and torque, the HS-81's were designed to be both economical and reliable. They are perfect for small electric aircraft as well as throttle servos on gas aircraft. By utilizing the standard size Hitec spline, any horn or arm that fits on a standard Hitec servo will fit on the HS-81.

SPECS:
Control System: +Pulse Width Control 1500usec Neutral
Required Pulse: 3-5 Volt Peak to Peak Square Wave
Operating Voltage: 4.8-6.0 Volts
Operating Temperature Range: -20 to +60° C
Operating Speed (4.8V): 0.11sec/60° at no load. (6.0V): 0.09sec/60° at no load
Stall Torque (4.8V): 36.10 oz/in. (2.6kg.cm). (6.0V): 41.66 oz/in. (3kg.cm)
Operating Angle: 45 Deg. one side pulse travelling 450usec
360 Modifiable: No
Direction: Clockwise/Pulse Travelling 1500 to 1900usec
Current Drain (4.8V): 8.8mA/idle and 220mA no load operating
Current Drain (6.0V): 9.1mA/idle and 280mA no load operating
Dead Band Width: 8usec
Motor Type: 3 Pole Ferrite
Potentiometer Drive: Direct Drive
Bearing Type: None, outer case serves as bearing
Gear Type: All Nylon
Connector Wire Length: 6.29" (160mm)
Dimensions: 1.17" x 0.47"x 1.16" (29.8 x 12 x 29.6mm)
Weight: 0.58oz (16.6g)

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