It's like an automobile differential --- if one wheel stays still, the other whe...

		userbinator on May 22, 2019 \| parent \| context \| favorite \| on: Five Hundred and Seven Mechanical Movements (1908) It's like an automobile differential --- if one wheel stays still, the other wheel turns faster than the input. Hence the warnings to not exceed a certain speed when one wheel is slipping, because the other one turns much faster than what the speedometer indicates.