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ServoCity- Servos & Accessories- Hitec Servos- HS-81MG Micro-

HS-81MG Micro

 

42 oz-in.

 

0.09 sec/60°

The HS-81MG is among our most popular servos. Available in both resin and metal gear versions. With a fine balance between speed and torque, the HS-81MG’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-81MG.

Detailed Specifications

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): 0.11sec/60° at no load
Operating Speed (6.0V): 0.09sec/60° at no load
Stall Torque (4.8V): 36.10 oz/in. (2.6kg.cm)
Stall Torque (6.0V): 41.66 oz/in. (3kg.cm)
Operating Angle: 40 Deg. one side pulse traveling 400usec
360 Modifiable: No
Direction: Clockwise/Pulse Traveling 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: 4 Metal and 1 Nylon
Connector Wire Length: 6.29" (160mm)
Dimensions: 1.17" x 0.47"x 1.16" (29.8 x 12 x 29.6mm)
Weight: 0.62oz (17g)

Servo Angle Schematic 180 3.8

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.

Price:

$23.49

Part:

32081S

Status:

 Replaced by HS-82MG

Rotation:

Direction:

Qty:

 

General Servo Information

 What is a Servo

 How Servos Work

 What Servo to use

 Servo Power & Speed

 Rotation Direction

 Connector Types

 180° Rotation

 Continuous Rotation

 Modifying Servos

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