September 20th, 2010 
admin Hot Tesla Roadster Torque on eBay
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 Tesla Roadster 25 Fusion Red 2011 Tesla Roadster Sport 25  US $110,000.00
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Why do electric cars sometimes have gears?
I saw the Tesla roadster had two forward gears, i assume this is to improve the torque range (which is already very wide compared to SI anc CI engines).
How does this effect the power curve as well? When does a car need its maximum power (I think it should be at the cars terminal/max speed)?
They can buld in a certain degree of intelligence into the accelerator, so you can choose overdrive in a lower gear, even in old automatics by slamming on the pedal.
But nothing beats control by hand lever for the feel of it, so I assume that is why. This is a top-notch sports car. People expect that. Recall the Porsche tiptronic, which had some optional manual control.
Electric Car tzero 0-60 3.6 sec faster than Tesla Roadster
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