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Robbe FS-133
Micro

Robbe FS-133

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-28
Identity
Brand Robbe
Product Number 9108
Category Hobby
Performance
Torque
8.4V 18.06 oz-in
6.6V 18.06 oz-in
6.0V 18.06 oz-in
4.8V 18.06 oz-in
Speed
8.4V 0.08 sec/60°
6.6V 0.08 sec/60°
6.0V 0.08 sec/60°
4.8V 0.08 sec/60°
Physical
Weight 0.22 ozAbove Average
Dimensions L 0.772 in
W 0.315 in
H 0.764 in
Drivetrain
Gears Metal
Gear Spline/Teeth 15 T
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Electrical & Environment
Operating Voltage 5–12 V
Regulator Type BEC
Connectivity
Connector JR (Universal) estimate
Origin
Country of Origin German

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.

Class Comparison

WeightAbove Average
Lighter than 81% of 620 Digital Micro servos

Performance Analysis

Shaft Power 0.42 W
Power Density2.247 W/in³
More power-dense than 56% of 590 Digital Micro servos
Torque Density2.8667 oz-in/g
Torque-to-Volume Ratio97.21 oz-in/in³
Speed-to-Weight1.98413 (1/sec·g)
Speed-Torque Trade-off1.44
Voltage Range Width7.0 V
1st-highest voltage range width of 511 Digital Micro servos

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