Mechanisms — workshop tools

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Differential Pulley diagram
Differential Pulley Mechanism: How It Works, Diagram, Formula and Uses Explained

Posted by Robbie Dickson on

Trace the endless chain in a Weston differential pulley. Compare upper-wheel diameters and calculate signed hook travel and the ideal force ratio.
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Vernier Caliper diagram
Vernier Caliper: Ideal Scale Reading and Least Count

Posted by Robbie Dickson on

Explore direct-vernier scale spacing and calculate the ideal reading from coincident graduations. Least count is separate from instrument accuracy.
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