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Technical Specifications
Last Updated: 2026-09-24| Identity | |
| Brand |  |
| Product Number | FUTM0033 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
43.00 oz-in
3.10 kg-cm
0.3 N-m
4.8V
35.00 oz-in
2.52 kg-cm
0.2 N-m
Average
|
| Speed |
6.0V
0.14 sec/60°
428.6 deg/s
71.4 RPM
4.8V
0.18 sec/60°
333.3 deg/s
55.6 RPM
Below Average
|
| Physical | |
| Weight | 0.60 oz17.0 gAbove Average |
| Dimensions |
L 1.05 in W 0.50 in H 1.12 in L 26.7 mm W 12.7 mm H 28.4 mm |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Nylon |
| Gear Spline/Teeth | 21 T estimate |
| Rotation Mode | Positional |
| Rotation/Support | Bushing |
| Control & Signal | |
| Modulation | Analog |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Connectivity | |
| Connector | Futaba J |
| Wire Length | 150 mm5.91 in |
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
| Torque | Average Stronger than 48% of 80 Analog Mini servos at 4.8V |
| Speed | Below Average Faster than 14% of 81 Analog Mini servos at 4.8V |
| Weight | Above Average Lighter than 70% of 165 Analog Mini servos |
Performance Analysis
| Shaft Power | 0.36–0.57 W |
| Power Density | 0.966 W/in³ More power-dense than 63% of 163 Analog Mini servos |
| Torque Density | 2.0588 oz-in/g Stronger than 58% of 80 Analog Mini servos |
| Torque-to-Volume Ratio | 59.52 oz-in/in³ Denser torque than 72% of 80 Analog Mini servos |
| Speed-to-Weight | 0.32680 (1/sec·g) Faster than 36% of 81 Analog Mini servos |
| Speed-Torque Trade-off | 6.30 Better balanced than 73% of 80 Analog Mini servos |
| Torque Gain per Volt | 19.05%/V More voltage-responsive (torque) than 85% of 55 Analog Mini servos |
| Speed Gain per Volt | 23.83%/V 2nd-highest speed gain per volt of 56 Analog Mini servos |
| Voltage Range Width | 1.2 V Wider voltage range than 86% of 88 Analog Mini servos |
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Reviews (2)
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Baz
April 17, 2015Application(s): Activating the Retract air diverter switch
Comments: This is a good servo but make sure on a low throw application you have the end points set very low to start. You can move the end points out to get the throw you want. I have a air diverter switch that I ruined two of these servos (gear trains)with. The gears strip out really easily if they dead end.
John F Hendry
January 24, 2015Application(s): Full flying elevator for 3.75-4 pound 3000m Bird of Time glider.
Comments: At the time I purchased the S3101 it was one of the best servos in it's size available but the particular servo I received had a little play in the gears equal to 2 maybe 3 clicks of trim on a DX9, so not much except it's on a full flying elevator so "almost" noticeable and not good for an accurate trim setting and was not perfect like the S3114's that had no play whatsoever I had intended to use and were called for. (The S3114's were too small and stronger than their mounts even with DS tape for such a large glider so I used the weight required to mount them on a larger servo) I may have gotten a loose set of gears and the amount of play is very small and would likely be called normal without the S3114's to compare them to. So I'll take advantage of time and replace it with a lighter weight modern digital servo. But it is quite powerful and did the job well with that one exception. JFH^^