Manish (manish_joshi)

Race #672

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Official speed 57.83 wpm (70.34 seconds elapsed during race)
Race Start January 23, 2019 4:58:51am UTC
Race Finish January 23, 2019 5:00:01am UTC
Outcome Win (1 of 4)
Opponents 2. islambek198 (55.99 wpm)
Accuracy 95.0%
Points 55.90
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.