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> And battery packs have cooling systems too. So no savings there. That's not quite true. At the very least, EVs require a much smaller radiator, if it has one
by audunw 7y ago
> And battery packs have cooling systems too. So no savings there.
That's not quite true. At the very least, EVs require a much smaller radiator, if it has one at all. Some EVs don't have cooling at all (Nissan Leaf), although that increases degradation in hotter climates.
I think his point stands.. An ICE engine weight at least 200lb. With transmission it could be up to 600lb. The Model S engine is 70lbs.
You "only" need to halve the weight of a Model S battery for the drivetrain+battery to be in the same ballpark as an ICE drivetrain as far as I can tell.
- Gibbon1 7y agoYou can look at actual numbers. Instead of a Model 3. Lets compare a Chevy Bolt with a Prius. Chevy Bolt is about 3500lbs Prius is about 3000lbs. Chevy Bolts battery weighs 440 kg or about 968lbs. Reduce the battery weight by 1/2 and save 484 lbs. So the weight drops to 3016. So point stands if the battery power density improves 2X then the weight penalty disappears.