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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | D121F |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
111.10 oz-in
8.00 kg-cm
0.8 N-m
4.8V
97.21 oz-in
7.00 kg-cm
0.7 N-m
|
| Speed |
6.0V0.20 sec/60°300.0 deg/s50.0 RPM |
| Physical | |
| Weight | 1.31 oz37.0 gTop 10% |
| Dimensions |
L 1.55 in W 0.76 in H 1.52 in L 39.4 mm W 19.3 mm H 38.6 mm |
| Case Material | Nylon |
| Drivetrain | |
| Motor Type | 3-pole |
| Gears | Nylon |
| Gear Spline/Teeth | 23 T estimate |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Digital |
| 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 | Top 10% Lighter than 97% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.03 W |
| Power Density | 0.574 W/in³ More power-dense than 5% of 1759 Digital Standard servos |
| Torque Density | 2.6274 oz-in/g |
| Torque-to-Volume Ratio | 54.29 oz-in/in³ |
| Speed-to-Weight | 0.13514 (1/sec·g) |
| Speed-Torque Trade-off | 19.44 |
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