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HS-77BB Servo Motor

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HS-77BB Low Profile High Torque Servo


With its low profile design and strong standing torque the HS-77BB is a great choice for wing or tail mounting in aircraft up to 1.20 size. Submarines, boats, cars and trucks can also benefit from this servos strength and small size.


 Control System: +Pulse Width Control 1500usec Neutral
 Required Pulse: 3-5 Volt Peak to Peak Square Wave
 Operating Voltage: 4.8-6.0 Volts
 Operating Temperature Range: -20 to +60 Degree C
 Operating Speed (4.8V): 0.18sec/60 degrees at no load
 Operating Speed (6.0V): 0.14sec/60 degrees at no load
 Stall Torque (4.8V): 61.1 oz/in. (4.4kg.cm)
 Stall Torque (6.0V): 76.3 oz/in. (5.5kg.cm)
 Operating Angle: 45 Deg. one side pulse traveling 400usec
 360 Modifiable: Yes
 Direction: Clockwise/Pulse Traveling 1500 to 1900usec
 Current Drain (4.8V): 8mA/idle and 250mA no load operating
 Current Drain (6.0V): 8.8mA/idle and 290mA no load operating
 Dead Band Width: 8usec
 Motor Type: 3 Pole Ferrite
 Potentiometer Drive: Indirect Drive
 Bearing Type: Single Ball Bearing
 Gear Type: 1 Metal and 4 POM Resin Gears
 Connector Wire Length: 10.2" (260mm)
 Dimensions: 1.73" x 0.90"x 0.98" (44 x 23 x 25mm)
 Weight: 1.23oz (35g)

Operating Speed: 4.8/6.0v: 0.18 / 0.14 sec.
Output Torque: 4.8/6.0v: 61 / 76 oz. 4.4 / 5.5 kg.
Size: 1.7"x 0.9"x 1.0" 44 x 23 x 25 mm
Weight:  1.23 oz. 35 g.

HS-77BB - $25.95
Low Profile High Torque Servo

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