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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | FT4321M |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
502.72 oz-in
36.20 kg-cm
3.5 N-m
4.8V
424.96 oz-in
30.60 kg-cm
3.0 N-m
|
| Speed |
6.0V
0.09 sec/60°
666.7 deg/s
111.1 RPM
4.8V
0.11 sec/60°
545.5 deg/s
90.9 RPM
|
| Physical | |
| Weight | 1.02 oz29.0 gBelow Average |
| Dimensions |
L 1.386 in W 0.598 in H 1.161 in L 35.2 mm W 15.2 mm H 29.5 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 120° |
| Pulse Width | 900-2100 µs |
| Connectivity | |
| Connector | JR (Universal) estimate |
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
| Weight | Below Average Lighter than 32% of 466 Digital Mini servos |
Performance Analysis
| Shaft Power | 7.14–10.33 W |
| Power Density | 10.733 W/in³ 5th-highest power density of 440 Digital Mini servos |
| Torque Density | 14.6538 oz-in/g |
| Torque-to-Volume Ratio | 441.62 oz-in/in³ |
| Speed-to-Weight | 0.31348 (1/sec·g) |
| Speed-Torque Trade-off | 46.74 |
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