The orange rim can be rotated precisely 180 degrees forward and backward by hand thanks to the black spring and green stoppers.
It rotates on three pink ball bearings so the frictional torque is very small.
The black spring helps the rim reach the two end positions through a snapping motion.
The red arrow represents the human force exerted on the rim.
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Негізгі бет 180 deg. precise rotation
Пікірлер: 15