HS-55 Servo-Clockwise (Stock)


The HS-55 set the standard for affordable performance, offering precision components that have been engineered to provide long lasting trouble free service! Featured in a hundred model aircraft reviews worldwide, the HS-55 is your best choice when it comes to controlling ”smaller” Electric’s and Park Flyers.

How Far Will This Servo Rotate?

The answer to this question is partially dependent on what you are using to control the servo.
Click for a quick video explanation.

With an Average Radio System:
Your average transmitter and receiver will output a relatively narrow PWM signal range.

Radio System + Travel Tuner:
Adding a Servo Travel Tuner to your radio system setup will allow you to achieve wide PWM signal ranges.

Wide Signal Controllers:
Controllers such as the Servo Commander, Arduinos, and Raspberry Pi servo hats can usually send a wide signal.

Tech Tips


Output Shaft Style A15T Spline
Voltage Range 4.8V - 6.0V
No-Load Speed (4.8V) 0.18 sec/60°
No-Load Speed (6.0V) 0.14 sec/60°
Stall Torque (4.8V) 16.66 oz-in (1.2 kg.cm)
Stall Torque (6.0V) 20.83 oz-in (1.5 kg.cm)
Max PWM Signal Range 615-2390μsec
Travel per µs .114°/μsec
Max Rotation 203°
Pulse Amplitude 3-5V
Operating Temperature -20°C to +60°C
Current Drain - idle (4.8V) 5.4mA
Current Drain - idle (6.0V) 5.5mA
Current Drain - no-load (4.8V) 150mA
Current Drain - no-load (6V) 180mA
Continuous Rotation Modifiable No
Direction w/ Increasing PWM Signal Clockwise
Deadband Width 8µs
Motor Type Coreless
Feedback Style 5KΩ Potentiometer
Output Shaft Support Outer case serves as bearing
Gear Material Nylon
Wire Length 6.29" (160mm)
Weight 0.28oz (8g)
Wire Gauge 28AWG
Servo Size Sub-Micro

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