Description

The HS-81 servo from Hitec is a top-selling micro servo that comes in two options: resin or metal gears. It’s a popular choice for smaller airplanes, helicopters, boats, cars, and trucks, as it provides a fine balance between speed and torque.

Features:

Top-selling micro servo

Strong three-pole ferrite motor

Durable nylon gears

Accessories:

Nylon Gear Set | Link |

Plastic Case Set | Link |

Applicable Horns

HS-81 Servo Specifications: Performance Specifications:

Operating Voltage Range (Volts DC): 4.8V ~ 6.0V

Speed (Second @ 60°): 0.11 ~ 0.09

Maximum Torque Range oz. / in.: 36 ~ 42

Maximum Torque Range kg. / cm.: 2.6 ~ 3.0

Current Draw at Idle: 8.8 mA

No Load Operating Current Draw: 280 mA

Stall Current Draw: 1,500 mA

Dead Band Width: 8 µs

Physical Specifications:

Dimensions (Inches): 1.17 x 0.47 x 1.16

Dimensions (Metric): 29.8 x 12.0 x 29.6

Weight (Ounces): 0.58

Weight (Gram): 16.6

Circuit Type: HT7003 Analog SMT

Motor Type: 3 Pole Metal Brush Ferrite

Gear Material: Nylon

Bearing Type: None

Output Shaft (type / Ømm): Standard 24

Case Material: Plastic

Dust / Water Resistance: N / A

Connector Gauge (AWG) / Strand Count: 28 / 20

Radio Control Applications:

Parkflyer: < 50 oz. Sport Plane: 42 - 50 oz. Sailplane: < 2 meter / DLG 3D Performance: N / A Scale: N / A Electric Helicopter: 400 - 500mm Gas Helicopter: 30 - 39 Class On Road: N / A Monster Truck: N / A Buggies: N / A Truggies: N / A Short Course / Truck: N / A Crawlers: N / A Sail Boat: N / A Power Boat: N / A