SpringRC SM-S4471M

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	SM-S4471M
Category	Hobby
Discontinued	Yes
Performance
Torque	6.0V 152.70 oz-in 4.8V 123.50 oz-in Below Average
Speed	6.0V 0.11 sec/60° 4.8V 0.13 sec/60° Average
Physical
Weight	2.22 ozAverage
Dimensions	L 1.587 in W 0.795 in H 1.465 in
Drivetrain
Motor Type	Coreless
Gears	Metal
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Rotational Range	60°
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–6 V
Connectivity
Wire Length	300 mm

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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 24% of 1043 Digital Standard servos at 4.8V
Speed	Average Faster than 56% of 1041 Digital Standard servos at 4.8V
Weight	Average Lighter than 49% of 1902 Digital Standard servos

Performance Analysis

Shaft Power	1.76–2.57 W
Power Density	1.389 W/in³ More power-dense than 29% of 1759 Digital Standard servos
Torque Density	1.9603 oz-in/g Stronger than 21% of 1036 Digital Standard servos
Torque-to-Volume Ratio	66.82 oz-in/in³ Denser torque than 24% of 1042 Digital Standard servos
Speed-to-Weight	0.12210 (1/sec·g) Faster than 54% of 1033 Digital Standard servos
Speed-Torque Trade-off	16.06 Better balanced than 27% of 1031 Digital Standard servos
Torque Gain per Volt	19.70%/V More voltage-responsive (torque) than 77% of 850 Digital Standard servos
Speed Gain per Volt	15.17%/V More voltage-responsive (speed) than 48% of 871 Digital Standard servos
Voltage Range Width	1.2 V Wider voltage range than 17% of 1539 Digital Standard servos