FingerTech's Gold Spark motors are great for hobby use and in competition robots such as mini-sumo and line following. If your application will be close to or exceeding the specified torque limits, check out our Silver Spark motors.
- The extra-long 3mm shaft is triple-supported internally so that wheels can be mounted directly.
- All-metal spur gear reduction gearhead mated to a Mabuchi FK-050 motor.
- 9 different gear ratios of 20, 35, 50, 63, 86, 115, 150, 250, and 360:1
- At only 28grams (0.99oz), these are a lightweight yet powerful motor.
| Motor Specs - Mabuchi FK-050 motor without gearbox |
| Operating Voltage | 4.5V-22.2V (>7.4V decreses motor life) |
| Nominal Voltage | 6V DC |
| No Load RPM | 11530 RPM |
| No Load Current | 0.05A |
| Stall Current | 1.3A |
| Stall Torque | 0.0461 kg-cm (0.64 oz-in.) |
| Kt | 0.0352 kg-cm (0.49 oz-in.) |
| Kv | 1573 rpm/V |
| Efficiency | 52% |
| RPM at Peak Efficiency | 9100 |
| Current at Peak Efficiency | 0.34A |
| Gearbox Specs |
| Output RPM (at 6V) | 472 RPM |
| Output Torque (at 6V) | 10.48 oz-in (755 g-cm) |
| Physical Specs |
| Gearbox Length | 11.6mm (0.455in.) |
| Total Length | 40.3mm (1.59in.) |
| Gearbox Diameter | 15.5mm (0.61in.) |
| Shaft Diameter | 3mm (0.12in.) with flat along length |
| Shaft Length | 38mm (1.5in.) |
| Mounting Holes | 2; #2-56 spaced 11mm apart |
| Weight | 28g (0.99oz) |
Note - Do not stall this motor! you will damage the output gear stage!
0-FT-SPARK16-20
Solidworks File
.STEP File
Maximum Torque
No Load Speed