HS-81 Standard Micro Analog Servo
HS-81 Standard Micro Analog Servo
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HS-81 Standard Micro Analog Servo
Note that these are not metal gear servos but the standard resin gear versions.
The HS-81'S are among Hitec’s most popular servos. With a fine balance between speed and torque, the HS-81’s were designed to be both economical and reliable.
Hitec Servo Specification Chart.
| Dimensions: | 1.17" x 0.47"x 1.16" (29.8 x 112 x 29.6mm) |
| Weight: | 0.58oz (16.6g) |
| Operating Speed (4.8V): | 0.11sec/60 degrees at no load |
| Operating Speed (6.0V): | 0.09sec/60 degrees at no load |
| Stall Torque (4.8V): | 36.10 oz/in. (2.6kg.cm) |
| Stall Torque (6.0V): | 41.66 oz/in. (3kg.cm) |
| Operating Voltage: | 4.8-6.0 Volts |
| Bearing Type: | None, outer case serves as bearing |
| Gear Type: | All Nylon |
| Motor Type: | 3 Pole Ferrite |
| Potentiometer Drive: | Direct Drive |
| Control System: | +Pulse Width Control 1500usec Neutral |
| Required Pulse: | 3-5 Volt Peak to Peak Square Wave |
| Operating Temperature Range: | -20 to +60 Degree C |
| Operating Angle: | 40 Deg. one side pulse traveling 400usec |
| 360 Modifiable: | No |
| Direction: | Clockwise/Pulse Traveling 1500 to 1900usec |
| Current Drain (4.8V): | 8.8mA/idle and 220mA no load operating |
| Current Drain (6.0V): | 9.1mA/idle and 280mA no load operating |
| Dead Band Width: | 8usec |
| Connector Wire Length: | 6.29" (160mm) |
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