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Power HD A-40CHV
Standard

Power HD A-40CHV

Compatible Hardware

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-07-28
Identity
Brand Power HD
Product Number (add)
Category Hobby
Performance
Torque
8.4V 555.60 oz-in
7.4V 486.15 oz-in
6.0V 347.25 oz-in
Speed
8.4V 0.10 sec/60°
7.4V 0.12 sec/60°
6.0V 0.14 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 2.82 oz
Dimensions L 1.60 in
W 0.81 in
H 1.52 in
Case Material (add)
Drivetrain
Motor Type Coreless
Motor Drive (add)
Gears Steel
Gear Spline/Teeth 25 T estimate
Shaft Size (add)
Rotation Mode (add)
Rotation/Support Dual Bearings
Backlash (add)
Control & Signal
Modulation (add)
Direction (add)
Rotational Range (add)
Mechanical Limit (add)
Pulse Cycle (add)
Pulse Width (add)
Neutral Position 1520 µs
Dead Band (add)
Refresh Rate 333 Hz
Angle Sensor (add)
Control System (add)
Programmable Yes
Signal Voltage (add)
Electrical & Environment
Operating Voltage 6–8.4 V
Power Source (add)
Regulator Type (add)
Temperature -10–60 °C
Water Rating (add)
Certification (add)
Idle Current (add)
Connectivity
Connector JR (Universal) estimate
Wire Length (add)
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.

Performance Analysis

Shaft Power 4.59–10.27 W
Torque Density4.3406 oz-in/g
Stronger than 71% of the 74 Power HD servos in the database
Torque-to-Volume Ratio176.28 oz-in/in³
Denser torque than 73% of the 74 Power HD servos in the database
Power Density5.215 W/in³
More power-dense than 75% of the 109 Power HD servos in the database
Speed-to-Weight0.08929 (1/sec·g)
Faster than 22% of the 75 Power HD servos in the database
Speed-Torque Trade-off48.61
Better balanced than 74% of the 74 Power HD servos in the database
Torque Gain per Volt25.00%/V
More voltage-responsive (torque) than 91% of the 68 Power HD servos in the database
Speed Gain per Volt16.66%/V
More voltage-responsive (speed) than 56% of the 69 Power HD servos in the database
Voltage Range Width2.4 V
Wider voltage range than 56% of the 82 Power HD servos in the database

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