The traction motor sounds on the Metropolis trains on line M1 execute a 380 Hz-665 Hz-1290 Hz progression on acceleration. There is also a brief 1340 Hz-1240 Hz sound that is made in the late acceleration phase. Unlike the trains in New York however the trains decelerate with a repeating 1340 Hz-1240 Hz sound. This is because in Warsaw synchronous phase sounds are also used; in New York it’s entirely asynchronous.
The traction motor sounds on the Metropolis trains on line M1 execute a 380 Hz-665 Hz-1290 Hz progression on acceleration. There is also a brief 1340 Hz-1240 Hz sound that is made in the late acceleration phase. Unlike the trains in New York however the trains decelerate with a repeating 1340 Hz-1240 Hz sound. This is because in Warsaw synchronous phase sounds are also used; in New York it’s entirely asynchronous.
Can't believe Rainbow Brite takes the subway. I would have thought she'd only travel by way of a magical unicorn.
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tan
Tan❤🤎
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