With its low profile design and strong standing torque, the HS-77BB is a great choice for wing or tail mounting in aircrafts up to 1.20 size. Submarines, boats, cars and trucks can also benefit from this servo’s strength and compact size.
HS-77BB Servo Specifications
| Performance Specifications |
| Operating Voltage Range (Volts DC) | 4.8V ~ 6.0V |
| Speed (Second @ 60°) | 0.18 ~ 0.14 |
| Maximum Torque Range oz. / in. | 61 ~ 76 |
| Maximum Torque Range kg. / cm. | 4.4 ~ 5.5 |
| Current Draw at Idle | 8 mA |
| No Load Operating Current Draw | 250 mA |
| Stall Current Draw | 800 mA |
| Dead Band Width | 8 µs |
| Physical Specifications |
| Dimensions (Inches) | 1.73 x 0.90 x 0.98 |
| Dimensions (Metric) | 44.0 x 23.0 x 25.0 |
| Weight (Ounces) | 1.23 |
| Weight (Gram) | 35.0 |
| Circuit Type | HT7003 Analog SMT |
| Motor Type | 3 Pole Metal Brush Ferrite |
| Gear Material | Nylon |
| Bearing Type | Top Ball Bearing |
| Output Shaft (type / Ømm) | Standard 24 |
| Case Material | Plastic |
| Dust / Water Resistance | Splash Proof |
| Connector Gauge (AWG) / Strand Count | 25 / 40 |
