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| SwingTime Teeth |
Spray lacquer is the
only thing I'll use on teeth, and even at that I try to avoid getting too much
into the tooth surfaces. I spray from the center of the wheel out and try
to avoid the tooth surfaces.
We did some testing on
the Weird Gears Shark Bait. It is a hand operated kinetic
sculpture. We tested without any finish, with finish sprayed from the
center, and then with finish sprayed into the tooth surfaces. The last
was a bad idea. Finish on the tooth surfaces greatly increased internal
friction. It takes up space and also fluffs up the wood making for
excessive internal friction.
It is best to avoid
any finish on the tooth surfaces, but if you must, use spray lacquer
lightly. It dries hard, but still, on humid days it is subject to
moisture in the air that will make it tacky.
