VEX High Reduction Gearbox

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Uploaded on Dec 15, 2008

12 stages of 12:60 (1:5) with VEX Spur Gears. Overall reduction is 244140625:1 -- almost 1/4 Billion (with a "B") to One.

If the large wheel spins at 100 RPM it would take 4.46 years for the small wheel to spin once.

If you dragged the large wheel on the ground as you walked, you would need to walk 60,626.39 miles before the small wheel would spin once.

If you dragged the large wheel behind a car moving 55 mph, it would take 45.85 days for the small wheel to spin once.

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