Vinh (shadeomen)

Race #643

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Official speed 64.47 wpm (63.10 seconds elapsed during race)
Race Start January 1, 2019 3:34:26am UTC
Race Finish January 1, 2019 3:35:29am UTC
Outcome No win (3 of 5)
Accuracy 96.0%
Points 62.32
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.