KO Propo RSx3-one10-Response

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	30125
Category	Hobby
Discontinued	Yes
Performance
Torque	7.4V 125.01 oz-in 6.0V 97.23 oz-in Below Average
Speed	7.4V 0.07 sec/60° 6.0V 0.09 sec/60° Average
Physical
Weight	1.80 ozAverage
Dimensions	L 1.614 in W 0.827 in H 1.004 in
Case Material	Aluminum
Drivetrain
Motor Type	Coreless
Gears	Aluminum
Rotation/Support	Dual Bearings
Control & Signal
Control System	HCS / PWM
Programmable	Yes
Electrical & Environment
Operating Voltage	6–7.4 V
Power Source	LiPo / LiFe / Ni-MH
Origin
Country of Origin	Japan

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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.

Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Below Average Stronger than 25% of 177 Low Profile servos at 6.0V
Speed	Average Faster than 60% of 175 Low Profile servos at 6.0V
Weight	Average Lighter than 39% of 358 Low Profile servos

Performance Analysis

Shaft Power	2.00–3.30 W
Power Density	2.464 W/in³ More power-dense than 80% of 112 KO Propo servos
Torque Density	1.9065 oz-in/g Stronger than 3% of 38 KO Propo servos
Torque-to-Volume Ratio	72.55 oz-in/in³ Denser torque than 16% of 38 KO Propo servos
Speed-to-Weight	0.21787 (1/sec·g) Faster than 70% of 38 KO Propo servos
Speed-Torque Trade-off	8.75 Better balanced than 5% of 38 KO Propo servos
Torque Gain per Volt	20.41%/V 4th-highest torque gain per volt of 29 KO Propo servos
Speed Gain per Volt	20.40%/V 1st-highest speed gain per volt of 29 KO Propo servos
Voltage Range Width	1.4 V Wider voltage range than 81% of 38 KO Propo servos