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I'm hoping the following:Well I'm in the camp hoping for actual roadster.
I guess they could have both. Very small volume Roadster in 5 years and a 2+2 Model R based off of the Gen III platform. Keep everyone happy.
Not if they are significantly different vehicles, serving different markets.Seems a waste to split their energy between the two though.
Seems a waste to split their energy between the two though.
Not if they are significantly different vehicles, serving different markets.
For example, I thought there was talk of a "small SUV" on the Gen3 platform. Isn't that "redundant" relative to Model X? Kind of but not really. Same applies to the two cases dsm noted.
Well I'm in the camp hoping for actual roadster.
Given the 'new' flat battery pack in the floor arrangement, doesn't that govern the minimum size of the car? And, if you've got that minimum size, then surely you would use it for the cabin... They could create an L shaped pack, but that would raise the centre of gravity.
Yeah, that's not going to happen. At that power range you'd be looking at 0-60 in the 1.x second range and that curb weight is on par with a late 90's Honda Civic. Even at a more realistic curb weight of 4000lbs, it'd have to bring a lot more power than that (1500hp would be a good start) if it wants to compete with the UGR Lamborghinis and GTRs.For the Supercar
Release Date: 2019~2020
Price: ~$105,000 (competes with Nissan Gt-R/Porsche 911 Turbo/Corvette ZL-1 or Z06)
Battery: ~90kWh
Power Train: Dual Motor Awd (~710 Hp)
Curb Weight: 2,645 lbs (extensive use of carbon fiber)
Acceleration: 0-60 in 2.3 Seconds
Top Speed: 205 Mph
1+2 layout: Three seat ala Mclaren F1, with manual falcon doors for easy access and weight saving.
Yeah, that's not going to happen. At that power range you'd be looking at 0-60 in the 1.x second range and that curb weight is on par with a late 90's Honda Civic. Even at a more realistic curb weight of 4000lbs, it'd have to bring a lot more power than that (1500hp would be a good start) if it wants to compete with the UGR Lamborghinis and GTRs.
As of 2009, graphene appeared to be one of the strongest materials known with a breaking strength over 100 times greater than a hypothetical steel film of the same (thin) thickness,[SUP][92][/SUP] with a Young's modulus (stiffness) of 1 TPa (150000000 psi).[SUP][93][/SUP] The Nobel announcement illustrated this by saying that a 1 square meter graphene hammock would support a 4 kg cat but would weigh only as much as one of the cat's whiskers, at 0.77 mg (about 0.001% of the weight of 1 m[SUP]2[/SUP] of paper).[SUP][92[/SUP]
I'm hoping for graphene by 2019 but it is not looking hopeful for large enough quantities in a mechanical application.
It is astounding how stiff it is at a TeraPacal. Much higher than carbon fiber and much lighter
http://en.wikipedia.org/wiki/Graphene#Mechanical
Yeah, it's extremely unlikely that well see any of these nano-patterned structures like graphene, carbon nanotubes, etc used for macro-scale construction materials any time soon. However, there may be some potential for using graphene/CNTs for Anode materials in the battery to improve energy density. However, at this point it looks like silicon based anodes are the way to go, at least for the near future.
Yeah, like I said. It's not going to happen. AWD with 700+HP weighing roughly the same as a 90's era Civic... it'd be nice to see, and might technically be possible now (if you don't care about range), but who in their right mind would green-light something like that?Not quite actually. That horsepower per tone rating put's the car at approximately 600 which is in the same range as the Bugatti Veyron, Ferrari LaFerrari etc. Now of course due to the fact that the car will be all electric it would have a much higher torque at zero RPM which would cause a faster 0-60 time than those other vehicles. This is why I put the 0-60 time in the low to mid 2 sec. I can see how you could make an argument that such specifications would get you in the low 2s possibly 1.x sec range. However, I see relatively little evidence for that assertion as cars with much higher hp tp weight ratios only make it to around 2.3 secs or so (i.e. the ariel atom v8 among others).
As for the weight I think you either fail to realize the rate at which battery energy density is increasing, or haven't really thought it through. This curb weight represents approximately the same weight as the roadster. Who's main weight issue was the battery. Even with current Model S technology and soon to be release technology, i.e. panasonic 4.0 amp hour cells the requisite increase in energy and power density need in order to allow the car to have that much power in more or less the same weight envelope are almost here. I therefore find it puzzling that you would think that it would be an impossibility for the technology to progress far enough in 5-6 years to allow for such a vehicle. Though I will admit that I have not yet done a back of the envelope calculation to show that such a thing would be reasonable. Perhaps, I'll do one later and post what I find.