Robbe FS 75 MG

Search Amazon Search eBay

Compatible Hardware

Amazon eBay

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-07-28

Identity
Brand
Product Number	8458
Category	Hobby
Discontinued	Yes
Performance
Torque	6.0V 45.80 oz-in 4.8V 37.50 oz-in Below Average
Speed	6.0V 0.13 sec/60° 4.8V 0.16 sec/60° Below Average
Physical
Weight	0.71 ozAbove Average
Dimensions	L 1.16 in W 0.47 in H 1.02 in
Drivetrain
Gears	Metal
Gear Spline/Teeth	25 T estimate
Rotation/Support	Bushing
Control & Signal
Modulation	Digital
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–6 V
Connectivity
Connector	JR (Universal) estimate

Submit Missing Data Report an Error

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 20% of 262 Digital Mini servos at 4.8V
Speed	Below Average Faster than 19% of 263 Digital Mini servos at 4.8V
Weight	Above Average Lighter than 74% of 466 Digital Mini servos

Performance Analysis

Shaft Power	0.43–0.65 W
Power Density	1.171 W/in³ More power-dense than 30% of 440 Digital Mini servos
Torque Density	1.8750 oz-in/g Stronger than 28% of 258 Digital Mini servos
Torque-to-Volume Ratio	67.43 oz-in/in³ Denser torque than 40% of 262 Digital Mini servos
Speed-to-Weight	0.31250 (1/sec·g) Faster than 47% of 259 Digital Mini servos
Speed-Torque Trade-off	6.00 Better balanced than 36% of 261 Digital Mini servos
Torque Gain per Volt	18.44%/V More voltage-responsive (torque) than 65% of 232 Digital Mini servos
Speed Gain per Volt	19.22%/V More voltage-responsive (speed) than 71% of 235 Digital Mini servos
Voltage Range Width	1.2 V Wider voltage range than 30% of 351 Digital Mini servos