(paceyq)

Race #45618

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Official speed 125.49 wpm (32.42 seconds elapsed during race)
Race Start July 28, 2023 6:26:51pm UTC
Race Finish July 28, 2023 6:27:23pm UTC
Outcome Win (1 of 2)
Accuracy 99.0%
Points 121.30
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.