Too Much Electric-Car Torque: Tesla Model S P85D Breaks Dynamometer (Video)Too Much Electric-Car Torque: Tesla Model S P85D Breaks Dynamometer (Video)

With its prodigious power and sophisticated all-wheel drive system, the Tesla Model S P85D has already broken the egos of quite a few supercar drivers.
Now, this electric car is also breaking some machinery.
Dynamometers are machines to measure a car’s power output, using rollers spun by the driven wheels.
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But the dyno in the video above just couldn’t handle the instant torque of the P85D, according to Drag Times.
This particular Model S owner tried rapidly accelerating from a slow roll to get a dyno reading.
Just after the car’s wheels start to spin up, there’s a troubling sound that puts an end to the proceedings.
Tesla Model S P85D, 2015 Detroit Auto ShowOne of the machine’s belts snapped–something Drag Times attributes to the instant application of torque from the car’s electric motors.
Before the Model S broke it, the dyno recorded a brief torque output of more than 700 pound-feet.
ALSO SEE: Tesla P85D Top Speed, Performance To Be Boosted In ‘Next Few Months’ (Dec 2014)
The Model S P85D is rated by Tesla at 691 horsepower, but the carmaker won’t publish an official torque figure.
In another dyno test, though, a P85D registered 864 lb-ft–and without breaking a thing.
Tesla Model S P85D, 2015 Detroit Auto ShowThat figure was confirmed with multiple back-to-back runs by an independent tester, so it should be fairly accurate.
And regardless of the figures, the P85D’s multiple drag-race victories over various supercars and muscle cars are a testament to its performance prowess.
MORE: Tesla P85D Destroys Dodge Challenger Hellcat On Dragstrip: Electric Car Thrashes 707-HP Hemi (Video)
Video of a P85D demolishing a 707-hp Dodge Challenger SRT Hellcat in a drag race nearly broke the Internet like that dyno.
As if the car isn’t formidable enough already, Tesla has said it will launch a software update to improve performance, including raising the top speed from 130 mph to 155 mph.
Dynamometers beware.
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