HS-7956SHR Servo

DISCONTINUED This product has been discontinued.

Discontinued
Attention giant scale modelers! This is your dream rudder servo! Hitec's digital, steel gear HS-7956SHR is unlike anything you’ve seen on the market. Featuring an integrated pull-pull system and wide mounting tabs measuring 1.73 x 1.54 inches (44 x 39mm), this tremendous servo eliminates the need for a separate rudder servo top case. The HS-7956SHR is equipped with a high performance coreless motor, ultra heavy-duty, ball bearing-supported metal arm and two adjustable ball link rods making it a monster performer for your 30 to 80cc giant scale aircraft. The oversized ball bearings provide strength and stability in order to eliminate any rocking motion of the output arm. For your convenience, they also developed a rudder tray conversion kit. Let this outstanding rudder servo get you flying in the right direction!

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:
60°
Your average transmitter and receiver will output a relativly narrow PWM signal range.

Radio System + Servo Stretcher:
101°
Adding a Servo Stretcher to your radio system setup will allow you to achieve wide PWM signal ranges.

Wide Signal Controllers:
101°
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.

Tech Tips

Specs

Output Shaft Style C24T Spline
Voltage Range 6.0V - 7.4V
No-Load Speed (7.4V) 0.12sec/60°
No-Load Speed (6.0V) 0.15sec/60°
Stall Torque (6.0V) 277.74 oz-in (20 kg.cm)
Stall Torque (7.4V) 340.24 oz-in (24.5 kg.cm)
Max PWM Signal Range 750-2250μsec
Travel per µs (Stock) 0.067°/μsec
Travel per µs (Reprogrammed) 0.133°/μsec
Max Rotation (Stock) 101°
Max Rotation (Reprogrammed) 199°
Pulse Amplitude 3-5V
Operating Temperature -20°C to +60°C
Continuous Rotation Modifiable No
Direction w/ Increasing PWM Signal Clockwise
Deadband Width 2µs
Motor Type Coreless
Feedback Style 5KΩ Potentiometer
Output Shaft Support Dual Ball Bearings
Gear Material Steel
Wire Length 11.81" (300mm)
Weight 2.40oz (68g)
Wire Gauge 22AWG
Servo Size Standard

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