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Power HD B3S
Standard

Power HD B3S

Compatible Hardware

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-09
Identity
Brand Power HD
Product Number PHD071
Category Hobby
Performance
Torque
8.4V 555.60 oz-in
7.4V 486.15 oz-in
6.0V 416.70 oz-in Above Average
Speed
8.4V 0.08 sec/60°
8.4V 0.08 sec/60°
7.4V 0.10 sec/60°
7.4V 0.10 sec/60°
6.0V 0.11 sec/60° Above Average
6.0V 0.11 sec/60° Above Average
Physical
Weight 2.36 ozAverage
Dimensions L 1.61 in
W 0.81 in
H 1.51 in
Case Material Aluminum
Drivetrain
Motor Type Brushless
Gears Titanium
Gear Spline/Teeth 25 T estimate
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Pulse Cycle 3.003 ms
Neutral Position 1520 µs
Refresh Rate 333 Hz
Electrical & Environment
Operating Voltage 6–8.4 V
Temperature -20–60 °C
Connectivity
Connector JR (Universal) estimate
Origin
Country of Origin Hong Kong

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

TorqueAbove Average
Stronger than 86% of 1043 Digital Standard servos at 6.0V
SpeedAbove Average
Faster than 70% of 1041 Digital Standard servos at 6.0V
WeightAverage
Lighter than 39% of 1902 Digital Standard servos

Performance Analysis

Shaft Power 7.00–12.84 W
Power Density6.521 W/in³
More power-dense than 88% of 1759 Digital Standard servos
Torque Density6.2194 oz-in/g
Stronger than 89% of 1036 Digital Standard servos
Torque-to-Volume Ratio211.61 oz-in/in³
Denser torque than 84% of 1042 Digital Standard servos
Speed-to-Weight0.13569 (1/sec·g)
Faster than 63% of 1033 Digital Standard servos
Speed-Torque Trade-off45.83
Better balanced than 71% of 1031 Digital Standard servos
Torque Gain per Volt13.89%/V
More voltage-responsive (torque) than 38% of 850 Digital Standard servos
Speed Gain per Volt15.62%/V
More voltage-responsive (speed) than 51% of 871 Digital Standard servos
Voltage Range Width2.4 V
Wider voltage range than 54% of 1539 Digital Standard servos

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