July 18, 2015

FAST: Tesla’s New ‘Ludicrous Mode’ Makes the Model S a Supercar. “Tesla Motors CEO Elon Musk announced today that the all-electric Model S sedan now comes with “Ludicrous Mode,” which will send the four-door sedan from 0 to 60 mph in a shockingly quick 2.8 seconds. That’s supercar territory, and it makes ‘Insane Mode,’ introduced last fall and good for a 0 to 60 time of 3.2 seconds, seem utterly lame. . . . The boost in acceleration doesn’t actually come from the extra battery power, it’s the upside of what Musk calls ‘fairly advanced and exotic electronics.’ To date, the car’s acceleration has been capped by how much current can be safely drawn from the battery, about 1,300 amps. Go much higher than that, and the fuse can melt. Tesla’s developed a new fuse that uses electronics and its own tiny lithium ion battery to detect when it will melt, and cut power if necessary. That lets you build in less of a margin of error, and push the amps higher.”

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