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Bar mechanism for reversing rotation 2

It is a combination of two sine mechanisms sharing a common yellow slider.

Input: green (or violet) crank.

Output: the other crank. It turns at the same input velocity but in opposite direction.

Input and output are coaxial.


- Inertia forces created by reciprocating parts.

- Dead positions when output crank is vertical.

The mechanism becomes a regular coupling (no reversing) when the cranks are set to be always parallel.

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