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Tamiya 72004 Worm Gearbox Kit
The primary feature of this high-efficiency gear box is a worm gear, which locks the output shaft whenever the motor is not turning. The high gear ratios of 216:1 or 336:1 make this gearbox appropriate for small walking robots, lifting mechanisms, and other applications where high torque is desired.
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Description | Specs (6) | Pictures (6) | Resources (2) | FAQs (5) | On the blog (0) |
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General specifications
Typical operating voltage: | 3 V |
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Gear ratio options: | 216, 336 :1 |
No-load motor shaft speed @ 3V: | 9400 rpm1 |
No-load current @ 3V: | 150 mA2 |
Stall current @ 3V: | 2700 mA |
Motor shaft stall torque @ 3V: | 0.97 oz·in3 |
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.
- 3
- A theoretical torque of the gearbox output shaft can be computed by multiplying this torque by the gear ratio.