The Tamiya 70093 3 Speed Crank Axle Gearbox offers a straightforward way to examine mechanical principles in a hands-on setting. The three selectable gear ratios let users observe changes in speed and torque under different configurations.
Ideal for club workshops, school STEM sessions and independent hobby projects, the gearbox can be used as part of a drivetrain or as a standalone demo unit. Adjusting the gear ratio demonstrates the trade-off between torque and speed in real terms.
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