Item #: TAMX7208
UPC: 4950344720088
Retail: $19.99
Price: $13.99
You Save: $6.00 (30.0%)
    Points to Purchase: 1999
    Availability: Available
    Usually ships In 3-9 business days (sooner, if drop-shipped)

    The Tamiya 72008 4-Speed Worm Gearbox kit includes one brushed DC motor and all the gears and parts to build any of the four possible gear ratio configurations: 84:1, 216:1, 555.4:1, 1428.2:1. The four gear ratio options give you the flexibility to choose the best speed and torque for your project.

    4mm dia. threaded driveshaft included
    Included gearbox attachment parts can be easily installed at a choice of two attachment positions
    Gearbox is compatible with other Education Construction items
    Type 260 motor included - RPM: 5040 Max Efficiency, Voltage: 1.5V Recommended
    Separately available 130 and 140 motors can also be attached with the included adapter
    H.E. denotes High Efficiency
    Pictorial instructions included

    Ratios: 84:1, 216:1, 555.4:1, 1428.2:1
    Free-run motor shaft speed @ 3V: 9400 rpm
    Free-run current @ 3V: 150 mA
    Stall current @ 3V: 2700 mA
    Motor shaft stall torque @ 3V: 0.97 oz-in
    Length: 1.92" (49mm)
    Width: 1.24" (31.5mm)
    Height: 1.85" (47mm)