Ripmax SB09

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Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	P-RMXSB09
Category	Hobby
Performance
Torque	6.0V 22.22 oz-in 4.8V 16.67 oz-in Bottom 10%
Speed	6.0V 0.12 sec/60° 4.8V 0.10 sec/60° Above Average
Physical
Weight	0.32 ozTop 10%
Dimensions	L 1.26 in W 0.47 in H 1.44 in
Case Material	Plastic
Drivetrain
Motor Type	Brushed
Gears	Nylon
Rotation/Support	Bushing
Control & Signal
Modulation	Digital
Pulse Cycle	20 ms
Neutral Position	1520 µs
Refresh Rate	50 Hz
Electrical & Environment
Operating Voltage	4.8–6 V
Origin
Country of Origin	England

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Bottom 10% Stronger than 0% of 262 Digital Mini servos at 4.8V
Speed	Above Average Faster than 67% of 263 Digital Mini servos at 4.8V
Weight	Top 10% Lighter than 100% of 466 Digital Mini servos

Performance Analysis

Shaft Power	0.31–0.34 W
Power Density	0.402 W/in³ More power-dense than 0% of 440 Digital Mini servos
Torque Density	1.8522 oz-in/g Stronger than 26% of 258 Digital Mini servos
Torque-to-Volume Ratio	19.55 oz-in/in³ Denser torque than 0% of 262 Digital Mini servos
Speed-to-Weight	1.11111 (1/sec·g) 3rd-highest speed-to-weight of 259 Digital Mini servos
Speed-Torque Trade-off	1.67 Better balanced than 2% of 261 Digital Mini servos
Torque Gain per Volt	27.74%/V More voltage-responsive (torque) than 95% of 232 Digital Mini servos
Speed Gain per Volt	-13.89%/V More voltage-responsive (speed) than 0% of 235 Digital Mini servos
Voltage Range Width	1.2 V Wider voltage range than 8% of 351 Digital Mini servos