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Robbe FS-300
Standard

Robbe FS-300

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-26
Identity
Brand Robbe
Product Number 9101
Category Hobby
Performance
Torque
6.0V 50.70 oz-in
4.8V 42.36 oz-in Bottom 10%
Speed
6.0V 0.10 sec/60°
4.8V 0.12 sec/60° Above Average
Physical
Weight 0.94 ozTop 10%
Dimensions L 1.417 in
W 0.591 in
H 1.417 in
Drivetrain
Gears Metal
Gear Spline/Teeth 25 T
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Electrical & Environment
Operating Voltage 4.8–6 V
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

TorqueBottom 10%
Stronger than 1% of 1060 Digital Standard servos at 4.8V
SpeedAbove Average
Faster than 65% of 1045 Digital Standard servos at 4.8V
WeightTop 10%
Lighter than 98% of 1880 Digital Standard servos

Performance Analysis

Shaft Power 0.65–0.94 W
Power Density0.790 W/in³
More power-dense than 12% of 1768 Digital Standard servos
Torque Density1.5895 oz-in/g
Stronger than 12% of 1053 Digital Standard servos
Torque-to-Volume Ratio35.70 oz-in/in³
Denser torque than 6% of 1058 Digital Standard servos
Speed-to-Weight0.31270 (1/sec·g)
Faster than 96% of 1038 Digital Standard servos
Speed-Torque Trade-off5.08
Better balanced than 7% of 1034 Digital Standard servos
Torque Gain per Volt16.41%/V
More voltage-responsive (torque) than 55% of 873 Digital Standard servos
Speed Gain per Volt16.67%/V
More voltage-responsive (speed) than 57% of 874 Digital Standard servos
Voltage Range Width1.2 V
Wider voltage range than 11% of 1560 Digital Standard servos

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