Tamiya 72008 - 4-Speed Worm Gearbox HE 田宮STEM系列齒輪箱組合 雙星孖星  [72008]

The Type 260 motor has been used in a variety of applications since its release in 1985. The gearboxes are often used in Robotics contests and enable the possibility of assembly with high and low gear ratios.

Specs & Features

• The gearbox features four gear ratios (84:1, 216:1, 555.4:1, 1428.2:1).
• Gear ratio can be easily adjusted by altering the middle and final gear attachment positions.
• 4mm dia. threaded driveshaft included.
• Included gearbox attachment parts can be easily installed at a choice of two attachmentpositions.This 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.
• Width: 31.5mm, Height: 47mm, Length: 49mm.
• H.E. denotes High Efficiency.