Roadester

Tesla Roadster is a full electric production sports car produced by Tesla Motors, also their first model. It is the first highway capable all electric vehicle in serial production. Till December 2011 Tesla sold over 2,100 roadsters in 31 countries.

Roadster uses lithium-ion battery as it sources of energy, gives a range of 200 miles (320 km) per charge. The world distance record of 501 km (311 mi) for a production electric car on a single charge was set by a Roadster on October 27, 2009, during the Global Green Challenge in outback Australia, in which it averaged a speed of 25 mph (40 km/h). In March 2010, a Tesla Roadster became the first electric vehicle to win the Monte Carlo Alternative Energy Rally and the first to win any Federation Internationale de l’Automobile-sanctioned championship.

According to the U.S. EPA, the Roadster can travel 244 miles (393 km) on a single charge of its lithium-ion battery pack, and can accelerate from 0 to 60 mph (0 to 97 km/h) in 3.7 or 3.9 seconds depending on the model. The Roadster’s efficiency, as of September 2008, was reported as 120 mpgge (2.0 L/100 km). It uses 135 Wh/km (21.7 kW·h/100 mi, 13.5 kW·h/100 km or 490 kJ/km) battery-to-wheel, and has an efficiency of 88% on average.

The Roadster has a base price of US$109,000 in the United States, £86,950 in the United Kingdom, and €84,000 in continental Europe.

Specifications :- http://www.teslamotors.com/en_GB/roadster/specs

Motor

375 volt AC induction air-cooled electric motor with variable frequency drive.

Roadster Roadster Sport
Torque 273 lb-ft at 0-5,400 rpm 295 lb-ft at 0-5,100 rpm
Horsepower 288 hp (215 kW) at 5,000-6,000 rpm 288 hp (215 kW) at 4,400-6,000 rpm
Max rpm 14,000 rpm 14,000 rpm

Acceleration

Roadster Roadster Sport
Top Speed 125 mph 125 mph
0 to 60 mph 3.9 seconds 3.7 seconds

Transmission

Single speed fixed gear. Reverse drive uses reverse direction of motor, limited to 15 mph.

Overall Final Drive 8.28:1
Final Drive Ratio 3.12:1

Battery

Custom microprocessor-controlled lithium-ion battery with 6,831 individual cells. 3.5 hour charge time from empty to full using the Tesla High Power Wall Connector at 240 Volts and 70 Amps.

Range

211 miles*

Expected battery life

Seven-years or 100,000

Battery heater for cold weather charging to -20 degrees Celsius

Standard

* Based on European Electric Vehicle Combined Cycle

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