KO Propo RSx2-Power

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-26

Identity
Brand
Product Number	30109
Category	Hobby
Discontinued	Yes
Performance
Torque	7.4V 438.92 oz-in 6.0V 365.31 oz-in Above Average
Speed	7.4V 0.11 sec/60° 6.0V 0.13 sec/60° Average
Physical
Weight	2.31 ozBelow Average
Dimensions	L 1.614 in W 1.496 in H 0.787 in
Case Material	Aluminum
Drivetrain
Motor Type	Coreless
Gears	Aluminum
Gear Spline/Teeth	23 T estimate
Rotation/Support	Dual Bearings
Control & Signal
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

*Spec is estimated from brand data.

Class Comparison

Torque	Above Average Stronger than 83% of 1307 Standard servos at 6.0V
Speed	Average Faster than 61% of 1289 Standard servos at 6.0V
Weight	Below Average Lighter than 35% of 2491 Standard servos

Performance Analysis

Shaft Power	5.20–7.38 W
Power Density	3.883 W/in³ More power-dense than 91% of 112 KO Propo servos
Torque Density	5.5773 oz-in/g 3rd-highest torque density of 37 KO Propo servos
Torque-to-Volume Ratio	192.24 oz-in/in³ Denser torque than 86% of 37 KO Propo servos
Speed-to-Weight	0.11744 (1/sec·g) Faster than 17% of 37 KO Propo servos
Speed-Torque Trade-off	47.49 5th-highest speed-torque trade-off of 37 KO Propo servos
Torque Gain per Volt	14.39%/V More voltage-responsive (torque) than 36% of 29 KO Propo servos
Speed Gain per Volt	13.00%/V More voltage-responsive (speed) than 57% of 29 KO Propo servos
Voltage Range Width	1.4 V Wider voltage range than 35% of 38 KO Propo servos