Alex (teardrop01)

Race #1613

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Official speed 87.21 wpm (46.65 seconds elapsed during race)
Race Start May 29, 2019 1:54:30am UTC
Race Finish May 29, 2019 1:55:16am UTC
Outcome No win (2 of 5)
Accuracy 97.0%
Points 84.30
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.