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Hitec HS-77BB
Low Profile

Hitec HS-77BB

Compatible Hardware

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-07-28
Identity
Brand Hitec
Product Number 31077S
Category Hobby
Performance
Torque
6.0V 76.00 oz-in
4.8V 61.00 oz-in
Speed
6.0V 0.14 sec/60°
4.8V 0.18 sec/60°
Physical
Weight 1.23 ozBelow Average
Dimensions L 1.73 in
W 0.90 in
H 0.98 in
Drivetrain
Motor Type 3-pole
Gears Plastic
Gear Spline/Teeth 15 T estimate
Rotation/Support Single Bearing
Control & Signal
Modulation Analog
Pulse Cycle 20 ms
Pulse Width 900-2100 µs

Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.

Class Comparison

WeightBelow Average
Lighter than 35% of 53 Analog Low Profile servos

Performance Analysis

Shaft Power 0.63–1.00 W
Power Density0.658 W/in³
More power-dense than 58% of 51 Analog Low Profile servos
Torque Density1.7479 oz-in/g
Torque-to-Volume Ratio39.98 oz-in/in³
Speed-to-Weight0.15919 (1/sec·g)
Speed-Torque Trade-off10.98

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