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KO Propo BSx4S-one10
Low Profile Discontinued

KO Propo BSx4S-one10

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-10
Identity
Brand KO Propo
Product Number 30219
Category Hobby
Discontinued Yes
Performance
Torque
7.4V 222.24 oz-in
6.0V 168.07 oz-in
Speed
7.4V 0.09 sec/60°
6.0V 0.11 sec/60°
Running Current (add)
Stall Current (add)
Physical
Weight 1.80 oz
Dimensions L 1.59 in
W 0.83 in
H 1.02 in
Case Material Aluminum
Drivetrain
Motor Type Brushless
Motor Drive (add)
Gears Metal
Gear Spline/Teeth (add)
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 (add)
Dead Band (add)
Refresh Rate (add)
Angle Sensor (add)
Control System PWM
Programmable Yes
Signal Voltage (add)
Electrical & Environment
Operating Voltage 6–7.4 V
Power Source LiPo / LiFe / Ni-MH
Regulator Type (add)
Temperature (add)
Water Rating (add)
Certification (add)
Idle Current (add)
Connectivity
Connector Futaba J
Wire Length 180 mm
Origin
Country of Origin Japan

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 2.83–4.57 W
Torque Density3.2955 oz-in/g
Stronger than 54% of the 38 KO Propo servos in the database
Torque-to-Volume Ratio124.51 oz-in/in³
Denser torque than 57% of the 38 KO Propo servos in the database
Power Density3.382 W/in³
More power-dense than 89% of the 112 KO Propo servos in the database
Speed-to-Weight0.17825 (1/sec·g)
Faster than 41% of the 38 KO Propo servos in the database
Speed-Torque Trade-off18.49
Better balanced than 65% of the 38 KO Propo servos in the database
Torque Gain per Volt23.02%/V
3rd-highest torque gain per volt of 29 KO Propo servos
Speed Gain per Volt15.87%/V
More voltage-responsive (speed) than 79% of the 29 KO Propo servos in the database
Voltage Range Width1.4 V
5th-highest voltage range width of 38 KO Propo servos

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