3 ms·
Magnetic coupling is clever. I always figured they used centrifugal force instead. Perhaps some do.
by learn_more 3y ago
Magnetic coupling is clever. I always figured they used centrifugal force instead. Perhaps some do.
- systems_glitch 3y agoMost mechanical automotive speedometers use the same copper cup and magnets arrangement! Check out how they used to meter frequency: https://en.wikipedia.org/wiki/Frequency_meter#Vibrating_reed_meters https://en.wikipedia.org/wiki/Frequency_meter#Vibrating_reed...