Corona CS238HV

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Technical Specifications

Last Updated: 2026-10-24

Identity
Brand
Product Number	CS238HV
Category	Hobby
Performance
Torque	7.4V 63.88 oz-in 6.0V 55.55 oz-in Above Average
Speed	7.4V 0.13 sec/60° 6.0V 0.14 sec/60° Average
Physical
Weight	0.78 ozAverage
Dimensions	L 1.142 in W 0.512 in H 1.181 in
Drivetrain
Motor Type	Brushed
Gears	Metal
Gear Spline/Teeth	25 T
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	6–7.4 V
Temperature	-20–60 °C
Connectivity
Connector	JR (Universal) estimate
Wire Length	215 mm
Origin
Country of Origin	China

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Above Average Stronger than 88% of 77 Analog Mini servos at 6.0V
Speed	Average Faster than 49% of 77 Analog Mini servos at 6.0V
Weight	Average Lighter than 39% of 161 Analog Mini servos

Performance Analysis

Shaft Power	0.73–0.91 W
Power Density	1.317 W/in³ More power-dense than 82% of 158 Analog Mini servos
Torque Density	2.5250 oz-in/g Stronger than 84% of 77 Analog Mini servos
Torque-to-Volume Ratio	80.49 oz-in/in³ Denser torque than 89% of 77 Analog Mini servos
Speed-to-Weight	0.32468 (1/sec·g) Faster than 41% of 77 Analog Mini servos
Speed-Torque Trade-off	7.78 Better balanced than 80% of 77 Analog Mini servos
Torque Gain per Volt	10.71%/V More voltage-responsive (torque) than 23% of 58 Analog Mini servos
Speed Gain per Volt	5.48%/V More voltage-responsive (speed) than 0% of 58 Analog Mini servos
Voltage Range Width	1.4 V Wider voltage range than 92% of 88 Analog Mini servos