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CHC Classes
Wheel and Axle
Click here for this week's PowerPoint presentation
This video goes over how the wheel has changed and advanced over the centuries. The creator makes some assumptions about ancient history that may or may not be accurate.
Warning: This is presented from a non-Christian perspective.
Here is some math to look at Mechanical Advantage in wheels.
This is part one of a three part series on how gears work. It was apparently made in the 1800's, so just ignore the production quality.
This is a how-to video on making easy gears.
This is a less easy way of making wooden gears, but still interesting.
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