AURRUM (aurrum007)

Race #105

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Official speed 48.27 wpm (84.28 seconds elapsed during race)
Race Start August 29, 2020 7:17:16pm UTC
Race Finish August 29, 2020 7:18:40pm UTC
Outcome Win (1 of 2)
Accuracy 91.0%
Points 46.66
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.