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Tamiya 70189 Mini Motor Low-Speed Gearbox (4-Speed) Kit
 
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Tamiya’s 4-speed low-speed mini motor gearbox features a more compact 030-form-factor brushed DC motor driving a single gear train that can be assembled to have one of four gear ratios: 71.4:1, 149.9:1, 314.9:1, or 661.2:1. The gear train includes a self-locking worm gear.
Compare all products in Tamiya Motors and Gearboxes or 3mm Shaft Gearmotors or Tamiya Gearboxes with 3mm Hexagonal Shafts.
| Description | Specifications (6) | Pictures (8) | Resources (0) | FAQs (5) |
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General specifications
| Typical operating voltage: | 3 V |
|---|---|
| Gear ratio options: | 71.4, 149.9, 314.9, 661.2 :1 |
| Free-run motor shaft speed @ 3V: | 8400 rpm1 |
| Free-run current @ 3V: | 60 mA2 |
| Stall current @ 3V: | 600 mA |
| Color: | clear |
Notes:
- 1
- A theoretical speed of the gearbox output shaft can be computed by dividing this speed by the gear ratio.
- 2
- This is the no-load current of the motor when disconnected from the gears in the gearbox; the no-load current of the entire gearbox with the motor connected will be slightly higher and will vary depending on the gear ratio.
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