Gears and Gravity, Day 5: Pinion Assembly

Assembling pinions is a lot of work and all of the students worked hard. Three eight leaf pinions are required for each clock.

The drilled holes are a little undersized so we must use this very sophisticated pointy stick to increase the diameter.

The drilled holes are a little undersized so we must use this very sophisticated pointy stick to increase the diameter.

Five of eight pins inserted.

Five of eight pins inserted.

They don't have to be straight.

They don’t have to be straight.

Little smears of hot glue hold the pins in place.

Little smears of hot glue hold the pins in place.

Love the pink hot glue guns.

Love the pink hot glue guns.

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