Hitec's fastest standard size servo the "Ultra Speed" HS-7940TH is designed to operate on a two cell LiPo Pack. Featuring our high resolution "G2" second generation programmable digital circuit and our indestructible Titanium gears, The HS-7940TH has the performance and durability you've come to expect from a Hitec servo. Other features in the HS-7040TH include a 7.4V optimized coreless motor, integrated heat sink case, and a top case with two hardened steel gear pins supported by axial brass bushing.
The HS-7940TH has been designed for applications where speed and response are demanded. Perfect for High Performance Nitro and Electric Helicopters, Aircraft, Cars, and Trucks. Featuring a blistering transit time of .07 sec, but still maintaining a respectable 181 oz./in. of torque at 6.0 volts.
Features
- G2 Digital Circuit
- Titanium Gear Train (MK first gear)
- Ultra Performance Coreless Motor
- Heatsink Case
- (8) O-Rings for Water/Dust/Fuel protection
- Dual Ball Bearing Supported Output Shaft
Programmable Functions*
- End Point Adjustments
- Direction
- Fail Safe
- Dead Band
- Speed (Slower)
- Overload Protection
- Resolution
- Data Save / Load
- Program Reset
Accessories
- Titanium Gear Set
- Metal / Karbonite 1st Gear Set
- Plastic / Aluminum Case Set
- Applicable Horns
HS-7940TH Servo Specifications
| Performance Specifications |
| Operating Voltage Range (Volts DC) |
6.0V ~ 7.4V |
| Speed (Second @ 60°) |
0.08 ~ 0.07 |
| Maximum Torque Range oz. / in. |
181 ~ 222 |
| Maximum Torque Range kg. / cm. |
13.0 ~ 16.0 |
| Current Draw at Idle |
10 mA |
| No Load Operating Current Draw |
440 mA |
| Stall Current Draw |
9,000 mA |
| Dead Band Width |
2 µs |
| Physical Specifications |
| Dimensions (Inches) |
1.57 x 0.79 x 1.50 |
| Dimensions (Metric) |
40.0 x 20.0 x 38.0 |
| Weight (Ounces) |
2.29 |
| Weight (Gram) |
65.0 |
| Circuit Type |
G2 Programable Digital |
| Motor Type |
Coreless Metal Brush |
| Gear Material |
Titanium |
| Bearing Type |
Dual Ball Bearing |
| Output Shaft (type / Ømm) |
Standard 24 |
| Case Material |
Plastic / Aluminum |
| Dust / Water Resistance |
Splash Proof |
| Connector Gauge (AWG) / Strand Count |
22 / 60 |
| Radio Control Applications |
| Parkflyer |
N / A |
| Sport Plane |
N / A |
| Sailplane |
N / A |
| 3D Performance |
N / A |
| Scale |
N / A |
| Electric Helicopter |
600mm |
| Gas Helicopter |
50 - 59 Class |
| On Road |
1/10th |
| Monster Truck |
1/10th |
| Buggies |
1/10th |
| Truggies |
1/10th |
| Short Course / Truck |
1/10th |
| Crawlers |
N / A |
| Sail Boat |
N / A |
| Power Boat |
N / A |