The GMC Hummer EV actually lives as much as the Hummer title. It’s large each in measurement and weight and might not be very environment friendly regardless of it being an EV. Now, because of a teardown executed by Munro & Associates, we’ve an concept of simply how good of a job GM did in packaging its Ultium battery pack. The quick reply is that they didn’t do an excellent job.
It’s essential to level out that whereas Sandy Munro has highlighted how dangerous the Model 3’s construct high quality is, he stays a Tesla fan, so take issues right here with a grain of salt, but when nothing else the teardown does present simply how large the battery is.
The Hummer EV itself is already heavy, tipping the scales at over 9,000 kilos, with a giant a part of that weight being its 246 kWh battery, at present the most important within the enterprise.
Munro & Associates engineers Antonio DiNunno and Julian Aytes word that when dropped from the automobile, the pack weighed in at 1,278 kg or 2,818 kilos. For perspective, the heaviest Mazda Miata you should purchase, a totally loaded Miata RF Grand Touring with an computerized transmission, weighs 322 kilos much less (2,496 kilos) than the pack.
In a warning for these nervous about what’s going to occur if the battery wants to return out of the automobile for servicing, the engineers famous that it wasn’t precisely the best factor to take away. Its weight didn’t assist issues, however the primary offender was what the pack itself is made from: stamped metal. The engineers stated usually once they do these battery teardowns, they count on to see an aluminum cradle as automakers have been going for weight financial savings. Except GM, that’s. The pack can also be made up of a fancy assortment of particular person metal items held collectively by 3,500 laser welds. All this provides price to the manufacturing of the truck.
Other parts of the battery pack bother the engineers, too, like packaging difficulties, although I nonetheless can’t recover from the scale and weight, which was perhaps inevitable, this being America.
Source: jalopnik.com