Sanwa ERG-WZ

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*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-23

Identity
Brand
Product Number	S091141
Category	Hobby
Discontinued	Yes
Performance
Torque	6.0V 102.77 oz-in 4.8V 81.94 oz-in Below Average
Speed	6.0V 0.10 sec/60° 4.8V 0.13 sec/60° Average
Physical
Weight	1.98 ozAbove Average
Dimensions	L 1.535 in W 0.787 in H 1.472 in
Drivetrain
Motor Type	Coreless
Gears	Metal
Gear Spline/Teeth	23 T estimate
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–6 V

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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	Below Average Stronger than 12% of 1060 Digital Standard servos at 4.8V
Speed	Average Faster than 59% of 1045 Digital Standard servos at 4.8V
Weight	Above Average Lighter than 74% of 1880 Digital Standard servos

Performance Analysis

Shaft Power	1.17–1.90 W
Power Density	1.069 W/in³ More power-dense than 19% of 1768 Digital Standard servos
Torque Density	1.4632 oz-in/g Stronger than 10% of 1053 Digital Standard servos
Torque-to-Volume Ratio	46.08 oz-in/in³ Denser torque than 12% of 1058 Digital Standard servos
Speed-to-Weight	0.13736 (1/sec·g) Faster than 66% of 1038 Digital Standard servos
Speed-Torque Trade-off	10.65 Better balanced than 14% of 1034 Digital Standard servos
Torque Gain per Volt	21.18%/V More voltage-responsive (torque) than 86% of 873 Digital Standard servos
Speed Gain per Volt	25.01%/V More voltage-responsive (speed) than 95% of 874 Digital Standard servos
Voltage Range Width	1.2 V Wider voltage range than 17% of 1560 Digital Standard servos