Which company do you think would help tesla. Maybe audi or mazda to compete with bmw merc, toyota and honda.
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GreenSpeed said:Yah, its all about the battery technology ;D, if they can double the capacity of the batteries, we should be seeing heavier electric cars around in no time
tonybelding said:I don't think so. Even with double the capacity, it would still have a small fraction of the energy in a tank of gasoline.
WarpedOne said:My bet is on ultracapacitors.
WarpedOne said:But if you are building larger and cheaper car, cost becomes a limiting factor. Now you have to use cheaper, more mainstream materials and build a bigger car. That is going to be much havier. Say around 1200kg without batteries. Add current roadsters bat-pack and you have 1600kg bodywaight. And you have another goal - larger range. Same bat-pack, higher weight gives lower range, so you must use more batteris. Which is again more costly and again havier. Not good sittuation.
WarpedOne said:I see a problem here. When you are building a high performance car, cost isn't of high importance. You can use more exotic materials, like kevlar, aluminium chasie and such. Then the whole car weighs 800kg, with batteries 1200kg. Job well done.
But if you are building larger and cheaper car, cost becomes a limiting factor. Now you have to use cheaper, more mainstream materials and build a bigger car. That is going to be much havier. Say around 1200kg without batteries. Add current roadsters bat-pack and you have 1600kg bodywaight. And you have another goal - larger range. Same bat-pack, higher weight gives lower range, so you must use more batteris. Which is again more costly and again havier. Not good sittuation.
The only sollution that I can see is to use some other, lightier battery technoly. EEStor's ultracaps maybe?