The Art of Being Drunk


Richard Watkins

Tapy model 1
Model of the Abraham Tappy drunken fusee made by Piet Andreissen (© P. Andriessen)
Tapy model 2

Ordinary fusees can only be wound by turning the fusee arbor anti-clockwise. Drunken fusees are fusees that can be wound by turning the fusee arbor either clockwise or anti-clockwise.

They are more curiosities than useful, but interesting none the less.

This article explains how drunken fusees work.

This revision is because Piet Andriessen contacted me with information about the section of my article titled "On Switching the Fusee Arbor Between the Sun and the Annulus".

I have changed this section to correctly attribute the design to Abraham Tappy and I provide references to the articles written by Andriessen.

There are a few other changes, including a little more information about planetary gears.

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