FMS SER009

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	FMSSER009
Category	Hobby
Performance
Torque	6.0V 25.00 oz-in 4.8V 20.83 oz-in Bottom 10%
Speed	6.0V 0.10 sec/60° 4.8V 0.12 sec/60° Average
Physical
Weight	0.32 ozAbove Average
Dimensions	L 0.906 in W 0.453 in H 0.945 in
Drivetrain
Gears	Plastic
Control & Signal
Modulation	Digital
Direction	Clockwise
Electrical & Environment
Operating Voltage	4.8–6 V
Connectivity
Connector	JR (Universal) estimate
Origin
Country of Origin	China

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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	Bottom 10% Stronger than 5% of 21 Digital Unknown servos at 4.8V
Speed	Average Faster than 57% of 22 Digital Unknown servos at 4.8V
Weight	Above Average Lighter than 81% of 84 Digital Unknown servos

Performance Analysis

Shaft Power	0.32–0.46 W
Power Density	1.192 W/in³ More power-dense than 52% of 34 Digital Unknown servos
Torque Density	2.3144 oz-in/g Stronger than 47% of 20 Digital Unknown servos
Torque-to-Volume Ratio	53.71 oz-in/in³ Denser torque than 27% of 2535 Hobby servos
Speed-to-Weight	0.92593 (1/sec·g) 3rd-highest speed-to-weight of 21 Digital Unknown servos
Speed-Torque Trade-off	2.50 Better balanced than 5% of 21 Digital Unknown servos
Torque Gain per Volt	16.68%/V More voltage-responsive (torque) than 59% of 23 Unknown servos
Speed Gain per Volt	16.67%/V More voltage-responsive (speed) than 56% of 26 Unknown servos
Voltage Range Width	1.2 V Wider voltage range than 16% of 46 Digital Unknown servos