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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | FT835BL |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
8.4V
555.50 oz-in
40.00 kg-cm
3.9 N-m
7.4V
486.06 oz-in
35.00 kg-cm
3.4 N-m
6.0V
416.62 oz-in
30.00 kg-cm
2.9 N-m
|
| Speed |
8.4V0.13 sec/60°480.0 deg/s80.0 RPM |
| Running Current |
8.4V
0.230 A
230 mA
7.4V
0.620 A
620 mA
6.0V
0.450 A
450 mA
|
| Stall Current | 2.6–4.5 A2600–4500 mABelow Average |
| Physical | |
| Weight | 2.72 oz77.2 gBelow Average |
| Dimensions |
L 1.575 in W 0.787 in H 1.433 in L 40.0 mm W 20.0 mm H 36.4 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T estimate |
| Rotation Mode | Positional |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Mechanical Limit | 200° |
| Pulse Width | 500-2500 µs |
| Electrical & Environment | |
| Operating Voltage | 4–8.4 V |
| Temperature | -15–70 °C5–158 °F |
| Idle Current | 0.230 A230 mA |
| Connectivity | |
| Connector | JR |
| Wire Length | 300 mm11.81 in |
| Origin | |
| Country of Origin | China |
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 16% of 1902 Digital Standard servos |
| Stall Current | Below Average Lower draw than 30% of 539 Digital Standard servos |
Performance Analysis
| Shaft Power | 8.22 W |
| Power Density | 4.626 W/in³ More power-dense than 75% of 1759 Digital Standard servos |
| Torque Density | 5.3967 oz-in/g |
| Torque-to-Volume Ratio | 234.55 oz-in/in³ |
| Speed-to-Weight | 0.10363 (1/sec·g) |
| Speed-Torque Trade-off | 52.08 |
| Current-per-Torque Ratio | 0.0108 A/oz-in |
| Idle-to-Running Current Ratio | 0.511 |
| No-Load vs Stall Current Spread | 10.00 |
| Voltage Range Width | 4.4 V Wider voltage range than 95% of 1539 Digital Standard servos |
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