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1,000 HP & Insane Torque!

kwanjangnihm

Moderator
2022 GMC Hummer EV Pickup

2022-Hummer-EV-pickup-2.jpg


https://www.motortrend.com/news/2021-gmc-hummer-pickup-ev-is-real-power-revealed/

Now, let's unpack the whole 1,000 horsepower and—wait for it—11,500-lb-ft (!) torque ratings. Those are new, and both seem really huge, right? A number as high as that lb-ft figure is bound to represent torque applied at all four tires. Since the industry doesn't typically quote torque figures that have been multiplied through any transmission and axle gearing (i.e., for engines, we quote torque from the engine, before it is multiplied by, say, a torque converter), we figure that GMC's Hummer will fit four electric motors, one per wheel, with each rated for 250 horsepower. As for each motor's torque, that figure depends on how it's delivered to each wheel. If the motors were direct-drive in-wheel hub units, that'd mean each one would produce a whopping 2,875 lb-ft; if each motor were instead mounted inboard and spun a half-shaft axle through the same 9.73:1 reduction ratio Tesla uses in the dual-motor Model S (as an example), the torque rating would be a much more "normal" sounding 295 lb-ft per motor.
 
Going to take a lot of oil to charge those batteries!! Go green, pipeliners love them.
 
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