D845WP Servo

The steel gear D-845WP is part of Hitec's D-Series dynamo servo line. All Hitec D-Series servos have been designed using our brand new, cutting edge, custom engineering. Combining industry leading high-resolution, state-of-the-art ultra-response technology with a 32-bit MCU and 12-bit ADC for unprecedented programmability and flexibility, these servos deliver significantly smoother movement. The speedy, powerful line operates on a wide 4.8 ~ 8.4 voltage range, allowing use with any common battery chemistry without the need for adapters or regulators. Featuring a 15 tooth HD (D15T) output spline with M3 hex screw, each D-Series servo brings monster performance never known before in the market.

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.

Stock:

With an Average Radio System:
90°
Your average transmitter and receiver will output a relatively narrow PWM signal range.

Radio System + Travel Tuner:
146°
Adding a Servo Travel Tuner to your radio system setup will allow you to achieve wide PWM signal ranges.

Wide Signal Controllers:
146°
Controllers such as the Servo Commander, 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:
145°
Your average transmitter and receiver will output a relatively narrow PWM signal range.

Radio System + Travel Tuner:
202°
Adding a Servo Travel Tuner to your radio system setup will allow you to achieve wide PWM signal ranges.

Wide Signal Controllers:
202°
Controllers such as the Servo Commander, Arduinos, and Raspberry Pi servo hats can usually send a wide signal.

Features:

  • Wide Voltage, Multipurpose Digital Servo
  • *Programmable High Response Digital Amplifier with Mosfet Drive
  • Durable Steel Gears with Dual Ball Bearing
  • Water and Dust Resistant (IP67)
  • Heat Sink for Motor

*Programmable features require servo programmer, sold separately (DPC-11).

Tech Tips

Specs

Output Shaft Style D15T Spline
Voltage Range 4.8V - 8.4V
No-Load Speed (7.4V) 0.17 sec/60°
No-Load Speed (4.8V) 0.26 sec/60°
No-Load Speed (6.0V) 0.21 sec/60°
Stall Torque (4.8V) 451 oz-in. (32.5 kg.cm)
Stall Torque (6.0V) 562 oz-in. (40.5 kg.cm)
Stall Torque (7.4V) 694 oz-in. (50 kg.cm)
Max PWM Signal Range 870-2320 μsec
Travel per µs (Stock) 0.101°
Travel per µs (reprogrammed high res) 0.162°
Max Rotation (Stock) 146.45°
Pulse Amplitude 3-5V
Motor Type Coreless
Feedback Style 5KΩ Potentiometer
Output Shaft Support Dual Ball Bearing
Gear Material Steel
Weight 8 oz (227g)
IP Rating IP67
Servo Size Large

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