Mechanical Components » Motors and Gearboxes » Tamiya Motors and Gearboxes »

Tamiya 70188 Mini Motor Gearbox (8-Speed) Kit

Tamiya’s 8-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 eight gear ratios: 7.5:1, 9.5:1, 15.7:1, 19.9:1, 32.9:1, 41.8:1, 79.1:1, or 87.8:1.

Compare all products in Tamiya Motors and Gearboxes or Tamiya Gearboxes with 3mm Hexagonal Shafts.

	Description		Specs (6)		Pictures (8)		Resources (0)		FAQs (5)		On the blog (0)		Distributors (1)

General specifications

Typical operating voltage:	3 V
Gear ratio options:	7.5, 9.5, 15.7, 19.9, 32.9, 41.8, 79.0, 87.8 :1
No-load motor shaft speed @ 3V:	8400 rpm¹
No-load 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.

Related products

	Tamiya 75026 Mini Motor Set
	Hakko CHP-170 5-1/4 in. Micro Flush Cutter
	Pololu Universal Aluminum Mounting Hub for 3mm Shaft, #2-56 Holes (2-Pack)
	DRV8833 Dual Motor Driver Carrier
	DRV8835 Dual Motor Driver Carrier
	TB6612FNG Dual Motor Driver Carrier
	Orangutan LV-168 + USB Programmer Combo
	Tamiya 70098 Universal Plate Set
	Tamiya 70157 Universal Plate Set (2pcs.)
	Tamiya 70172 Universal Plate L (210x160mm)
	Tamiya 70189 Mini Motor Low-Speed Gearbox (4-Speed) Kit
	Tamiya 70190 Mini Motor Multi-Ratio Gearbox (12-Speed) Kit
	Tamiya 70203 Low-Current Motor Gearbox (3-Speed)
	Tamiya 70168 Double Gearbox Kit
	Tamiya 70097 Twin-Motor Gearbox Kit
	Tamiya 70105 3mm Diameter Shaft Set
	2-AAA Battery Holder, Enclosed with Switch
	ACS724LLCTR-05AB Current Sensor Carrier -5A to +5A
	Tamiya 70192 Slick Tire Set (4 tires)