Corona CS238HV

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Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	CS238HV
Category	Hobby
Performance
Torque	6.0V 63.89 oz-in 5.0V 55.56 oz-in Top 10%
Speed	6.0V 0.13 sec/60° 5.0V 0.14 sec/60° Average
Physical
Weight	0.78 ozAverage
Dimensions	L 1.142 in W 0.512 in H 1.181 in
Drivetrain
Gears	Metal
Rotation/Support	Single Bearing
Control & Signal
Modulation	Analog
Rotational Range	40°
Dead Band	5 µs
Angle Sensor	Potentiometer
Control System	PWM
Electrical & Environment
Operating Voltage	5–6 V
Temperature	-20–60 °C
Connectivity
Connector	JR (Universal) estimate
Wire Length	215 mm
Origin
Country of Origin	China

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*Based on known specs.

Class Comparison

Torque	Top 10% Stronger than 94% of 80 Analog Mini servos at 5.0V
Speed	Average Faster than 50% of 81 Analog Mini servos at 5.0V
Weight	Average Lighter than 35% of 165 Analog Mini servos

Performance Analysis

Shaft Power	0.73–0.91 W
Power Density	1.317 W/in³ More power-dense than 83% of 163 Analog Mini servos
Torque Density	2.5255 oz-in/g Stronger than 89% of 80 Analog Mini servos
Torque-to-Volume Ratio	80.51 oz-in/in³ 5th-highest torque-to-volume ratio of 80 Analog Mini servos
Speed-to-Weight	0.32468 (1/sec·g) Faster than 35% of 81 Analog Mini servos
Speed-Torque Trade-off	7.78 Better balanced than 82% of 80 Analog Mini servos
Torque Gain per Volt	14.99%/V More voltage-responsive (torque) than 61% of 55 Analog Mini servos
Speed Gain per Volt	7.68%/V More voltage-responsive (speed) than 5% of 56 Analog Mini servos
Voltage Range Width	1.0 V Wider voltage range than 1% of 88 Analog Mini servos