HS-7245MH Servo

Hitec’s high voltage and high torque HS-7245MH delivers exceptional speed and torque in a compact package. Built with an efficient core-less motor optimized for 7.4V operation and heavy-duty metal gear train with dual ball bearings, this high-end mini servo provides unbridled performance! Whether you’re flying mid-size gas and electric airplanes, 500-550 electric helis, or driving 1/12th scale on-road racer and 1/18th scale rock crawlers, the lightning speed and full-size muscle of this servo will make you the master of the  RC domain!

How Far Will This Servo Rotate?

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

Stock:

With an Average Radio System:
72°
Your average transmitter and receiver will output a relativly narrow PWM signal range.

Radio System + Servo Stretcher:
121°
Adding a Servo Stretcher to your radio system setup will allow you to achieve wide PWM signal ranges.

Wide Signal Controllers:
121°
Controllers such as the Actobotics® Servo Controller, Arduinos, and Raspberry Pi servo hats can usually send a wide signal.

Reprogrammed:

Whether you purchase the reprogrammed option or get a servo programmer and do it yourself, a reprogrammed version of this servo will be able to achieve greater travel than it can in stock form.

With an Average Radio System:
119°
Your average transmitter and receiver will output a relativly narrow PWM signal range.

Radio System + Servo Stretcher:
199°
Adding a Servo Stretcher to your radio system setup will allow you to achieve wide PWM signal ranges.

Wide Signal Controllers:
199°
Controllers such as the Actobotics® Servo Controller, Arduinos, and Raspberry Pi servo hats can usually send a wide signal.

Programable Features

  • Direction of Rotation
  • Speed of Rotation (slower)
  • End Points
  • Neutral Points
  • Fail Safe On/Off
  • Fail Safe Points
  • Overload Protection

Tech Tips

Specs

Output Shaft Style C24T Spline
Voltage Range 6.0V - 7.4V
No-Load Speed (7.4V) 0.11sec/60°
No-Load Speed (6.0V) 0.13sec/60°
Stall Torque (6.0V) 72.21 oz-in (5.2 kg.cm)
Stall Torque (7.4V) 88.88 oz-in (6.4 kg.cm)
Max PWM Signal Range 750-2250μsec
Pulse Amplitude 3-5V
Operating Temperature -20°C to +60°C
Continuous Rotation Modifiable Yes
Direction w/ Increasing PWM Signal Clockwise
Deadband Width 2µs
Motor Type Coreless
Feedback Style 5KΩ Potentiometer
Output Shaft Support Dual Ball Bearings
Gear Material Metal
Wire Length 7" (178mm)
Weight 1.2oz (34g)
Wire Gauge 22AWG
Servo Size Mini
Max Rotation (Stock) 121°
Max Rotation (Reprogrammed) 199°
Travel per μsec (Stock) 0.081°/μsec
Travel per μsec(Reprogrammed) 0.133°/μsec

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