Tamiya 70189 - Mini Motor Low Speed Gearbox - 4-Speed  [70189]

Overview of the Tamiya 70189 Mini Motor Low Speed Gearbox

The Tamiya 70189 Mini Motor Low Speed Gearbox offers a practical solution for hobbyists and educators involved in STEM activities. This compact gearbox is designed to provide flexibility with its adjustable gear ratios, making it suitable for a variety of mechanical applications.

Design and Functionality

Equipped with a type 030 motor, this gearbox is engineered for low electricity consumption and minimal electronic noise, ensuring efficient operation. The transparent gear case allows users to observe the internal mechanisms, enhancing educational value and understanding of gear operations.

Adjustable Gear Ratios

The gearbox features four distinct gear ratios: 71.4:1, 149.9:1, 314.9:1, and 661.2:1. These can be easily modified by adjusting the final gear attachment position, providing versatility for different project requirements. The inclusion of a 3mm hex shaft and multiple attachment holes ensures compatibility with other Tamiya craft items.

Application and Compatibility

With dimensions of approximately 20mm in width, 24mm in height, and 30mm in length, this gearbox is compact enough to fit into small-scale models like the 1/35 Panzerkampfwagen II Ausf. A/B/C (Sd.Kfz.121). Its adaptability makes it an excellent choice for integrating into various mechanical and educational setups.