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Futaba S3115
Mini Discontinued

Futaba S3115

Compatible Hardware

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-09-28
Identity
Brand Futaba
Product Number FUTM0415
Category Hobby
Discontinued Yes
Performance
Torque
4.8V39.00 oz-inAbove Average
Speed
4.8V0.15 sec/60°Average
Running Current
4.8V0.120 AAbove Average
Physical
Weight 0.60 ozAbove Average
Dimensions L 1.10 in
W 0.51 in
H 1.18 in
Drivetrain
Motor Type 3-pole
Gears Plastic
Gear Spline/Teeth 21 T estimate
Rotation Mode Positional
Rotation/Support Bushing
Control & Signal
Modulation Analog
Neutral Position 1520 µs
Control System PWM
Electrical & Environment
Operating Voltage 4.8–5 V
Connectivity
Wire Length 180 mm

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

TorqueAbove Average
Stronger than 67% of 80 Analog Mini servos at 4.8V
SpeedAverage
Faster than 38% of 81 Analog Mini servos at 4.8V
WeightAbove Average
Lighter than 69% of 165 Analog Mini servos
Running CurrentAbove Average
Lower draw than 88% of 42 Mini servos at 4.8V

Performance Analysis

Shaft Power 0.48 W
Power Density0.726 W/in³
More power-dense than 41% of 163 Analog Mini servos
Torque Density2.2941 oz-in/g
Stronger than 77% of 80 Analog Mini servos
Torque-to-Volume Ratio58.91 oz-in/in³
Denser torque than 67% of 80 Analog Mini servos
Speed-to-Weight0.39216 (1/sec·g)
Faster than 54% of 81 Analog Mini servos
Speed-Torque Trade-off5.85
Better balanced than 66% of 80 Analog Mini servos
Voltage Range Width0.2 V
Wider voltage range than 0% of 88 Analog Mini servos

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Reviews (2)

  • SlayerDan

    August 2, 2011

    Application(s): 2 Great Planes Edge 540T EP all 4 servos on each plane

    Comments: out of 8 servos 3 of them were bad right out of the box. 2 of them never even got install on the first plane. The next 2 servos bought for this plane did work. On the second plane all servos were installed and working. During the pre-flight checklist at the field I found that the right aileron servo had a bad tooth at the middle of the throw. I do not know how long they last but from what I can see so far I am not happy. The 2 planes were built almost a year apart. I would have used a different servo but because Great Planes requires the torque and size of this servo I am stuck.

  • Gavin

    August 11, 2010

    Application(s): I fly them in a 4 foot span 3D model, electric powered using an AXI 2820/10 achieving 200 Watts per pound!

    Comments: Robust and reliable servos that have flown solid for 3 1/2 years. One servo had a pot go bad, but was still working. They are good, but could be a little faster. Excellent value for money.

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