The steel D-840WP is part of our D-Series 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 Hitec's 15 tooth HD output spline with 3mm hex screw, each D-Series servo brings monster performance never known before in the market.
| Performance Specifications |
|---|
| Operating Voltage Range (Volts DC): | 4.8V ~ 6.0V ~ 7.4V |
| Speed (Second @ 60°): | 0.17 ~ 0.14 ~ 0.11 |
| Maximum Torque Range oz. / in.: | 265 ~ 335 ~ 419 |
| Maximum Torque Range kg. / cm.: | 19.0 ~ 24.0 ~ 30.0 |
| Current Draw at Idle: | 30 mA |
| No Load Operating Current Draw: | 1,600 mA |
| Stall Current Draw: | 9,000 mA |
| Dead Band Width: | 2 us |
| Physical Specifications |
|---|
| Dimensions (Inches): | 2.59 x 1.26 x 2.44 |
| Dimensions (Metric): | 66 x 32 x 62 |
| Weight (Ounces): | 8 |
| Weight (Gram): | 227 |
| Circuit Type: | Digital Amplifier with Mosfet Drive |
| Motor Type: | 5 Poles Cored Metal Brush |
| Gear Material: | Steel |
| Bearing Type: | Dual Ball Bearing |
| Output Shaft (type / 0mm): | Mega 15 |
| Case Material: | Plastic / Aluminum |
| Dust / Water Resistance: | IP 67 |
| Connector Gauge (AWG) / Strand Count: | 25 / 80 |
| Radio Control Applications |
|---|
| Parkflyer: | N / A |
| Sport Plane: | N / A |
| Sailplane: | N / A |
| 3D Performance: | N / A |
| Scale: | > 40% |
| Electric Helicopter: | N / A |
| Gas Helicopter: | N / A |
| On Road: | 1/4th & 1/5th |
| Monster Truck: | 1/4th & 1/5th |
| Buggies: | 1/4th & 1/5th |
| Truggies: | 1/4th & 1/5th |
| Short Course / Truck: | 1/4th & 1/5th |
| Crawlers: | N / A |
| Sail Boat: | = >1M & Scale |
| Power Boat: | 1/5th & Up Scale |
