dlmobs (dlmobs)

Race #473

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Official speed 101.71 wpm (40.00 seconds elapsed during race)
Race Start May 3, 2019 7:17:21pm UTC
Race Finish May 3, 2019 7:18:01pm UTC
Outcome Win (1 of 5)
Opponents 4. superfrik (69.68 wpm)
Accuracy 99.0%
Points 98.32
Text #4060101 (Length: 339 characters)

A train equipped with, say, two dc motors, is started with both motors connected in series to an external resistor. As the speed picks up, the resistor is shorted out. The motors are then paralleled and connected in series with another resistor. Finally, the last resistor is shorted out, as the train reaches its nominal torque and speed.