This servo can operate 180° when given a pulse signal ranging from 600usec to 2400usec. Since most R/C controllers cannot generate this wide of signal range, you will need to use our servo stretcher for 180° operation.

Servo Angle Schematic 180 3.8

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 Degree C
Operating Speed (4.8V): 0.14sec/60° at no load
Operating Speed (6.0V): 0.11sec/60° at no load
Stall Torque (4.8V): 25 oz/in. (
Stall Torque (6.0V): 31 oz/in. (
Operating Angle: 45 Deg. one side pulse traveling 400usec
Continuous Rotation Modifiable: No
Direction: Clockwise/Pulse Traveling 1500 to 1900usec
Current Drain (4.8V): 5.3mA/idle and 400mA no load operating
Current Drain (6.0V): 6.6mA/idle and 500mA no load operating
Dead Band Width: 4usec
Motor Type: 3-Pole Neodynium Magnet
Potentiometer Drive: Indirect Drive
Bearing Type: Top Ball Bearing
Gear Type: Karbonite Gears
Connector Wire Length: 6" (150mm)
Dimensions: 0.92" x 0.45"x 0.94" (23.6 x 11.6 x 24mm)
Weight: .39oz. (11.2g)

Detailed Specifications


 31 oz-in.


 0.11 sec/60°

ServoCity announces a new Micro class servo, the HS-65HB. This new servo has long lasting and durable Karbonite gears and is one of Hitec’s most powerful servo in the micro class, with over 30 oz/in of power at 6 volts. The HS-65HB was created for higher performance micro helicopters, electric park flyers, & 1/18 scale cars, and features a top ball-bearing for long life and positive centering.










B1 Hitec Spline4

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HS-65HB B1 Mini Spline

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General Servo Information

What is a servo?
How servos work
What servo to use
Servo power & speed
Rotation direction
Connector types
180º rotation
Continuous rotation

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