Discover XQ-Power Servos in Our eBay Store!

Shop Now
Micro Discontinued

FMA Direct S90

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-10
Identity
Brand FMA Direct
Product Number S90
Category Hobby
Discontinued Yes
Performance
Torque
4.8V19.00 oz-in
Speed
4.8V0.09 sec/60°
Physical
Weight 0.35 ozAverage
Dimensions L 0.85 in
W 0.43 in
H 0.78 in
Drivetrain
Rotation/Support Single Bearing

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

WeightAverage
Lighter than 42% of 1074 Micro servos

Performance Analysis

Shaft Power 0.39 W
Power Density1.369 W/in³
1st-highest power density of 41 FMA Direct servos
Torque Density1.9211 oz-in/g
Torque-to-Volume Ratio66.65 oz-in/in³
Speed-to-Weight1.12347 (1/sec·g)
Speed-Torque Trade-off1.71

Similar Active Servos

Reviews of FMA Direct S90

Be the first to review!

Submit a review of FMA Direct S90