0-70093 Single, 3-Speed Crank Axle Gearbox - Tamiya 70093 <p align="left"><font color="00ff66" size="2" face="Arial, Helvetica, sans-serif">The 3-speed crank-axle gearbox looks very much like half of the twin-motor gearbox; it even uses the same gears. Gear it for power or speed. A FA-130 motor is included. </font></p> <p align="left"><font color="00ff66" size="2" face="Arial, Helvetica, sans-serif">Great for a high torque or high speed adjustable drive wheel or lifter arm. Get 2 for a two-wheel drive bot and cut the shaft for whatever side you need. Some assembly required.<br> <br> Weight: 1.4 oz. <br> Ratios: 17:1, 58:1 or 204:1<br> Current: 1.0A @ 3V<br> can be run safely up to 8.4V </font></p>
Quick delivery of unit. Easy instructions but nothing on the voltage required. 4.5 Vdc works best, 6 V gives off a funny smell, like overheating. The unit was attached to the legs of a suspended doll for use at Halloween.