Acceleration & Torque
Instant Freedom
The first time you drive the Tesla Roadster, prepare to be surprised. You're at freeway speed in seconds without even thinking about it. There is no clutch pedal to contend with and no race-car driving techniques to perform. Just the touch of your foot and you're off, without any of the sluggishness of an automatic.
How powerful is the acceleration? A quick story to illustrate. A favorite trick here at Tesla Motors is to invite a passenger along and ask him to turn on the radio. At the precise moment we ask, we accelerate. Our passenger simply can't sit forward enough to reach the dials. But who needs music when you're experiencing such a symphony of motion.
Rest assured that this responsiveness works at all speeds, as noticeable when you're inching your way through parking lots as when flying along freeways.
100% Torque, 100% of the Time
The Tesla Roadster delivers full availability of performance every moment you are in the car, even while at a stoplight. Its peak torque begins at 0 rpm and stays powerful at 14,000 rpm.
This is the precise opposite of what you experience with a gasoline engine, which has very little torque at a low rpm and only reaches peak torque in a narrow rpm range. This forces you to make frequent gear changes to maintain optimal torque. With the Tesla Roadster, you get great acceleration and the highest energy efficiency at the same time. All while requiring no special driving skills to enjoy it. This makes the Tesla Roadster six times as efficient as the best sports cars while producing one-tenth of the pollution.
Electric Power
Drive Quickly, Tread Lightly
Most electric vehicles operate under the assumption that driving is merely a necessary evil if you need to get someplace you can’t reach on foot or bike. The result has been cars that are designed, built, and marketed in ways that refuse to glorify driving.
We respectfully disagree. We believe driving is exhilarating. Just watch any child on a go-cart and the joy is plain to see. And when you can soar along at top speed, knowing the only oil in the car is in the transmission, the only emissions are the songs from the radio, the ride becomes more enjoyable still.
The Ultimate Multi-Fuel Vehicle
Electric cars equal freedom. Not simply from oil reliance, but from dependence on any specific power source. Electric power can be generated from natural gas, coal, solar, wind, hydro, and nuclear sources — or a combination of all of them — without changing the design of the car. No matter how or when the world changes, the car adapts, making it immune from obsolescence.
We foresee a day when all cars run on electric power and when people will struggle to remember a time when a love of driving came with a side order of guilt.
No More Tradeoffs
Up until now, if you wanted a car with amazing gas mileage, you’d pick something like the leading hybrid; but when you pressed down the gas pedal to zip up a freeway on-ramp, you'd likely be a little disappointed — it takes over 10 seconds to reach 60 miles per hour. On the other hand, if you demanded the 0 to 60 times of a $300,000 supercar, you'd wind up with an embarrassing 9 miles to the gallon in the city.
2009 Tesla Roadster
Performance Specifications*
| Style | 2-seat, open-top, rear-drive sports car |
| Drivetrain | Single speed fixed gear with electrically actuated parking lock mechanism and mechanical lubrication pump |
| Motor | 375 volt AC induction air-cooled electric motor with variable frequency drive. Output 248 peak horsepower (185kW) and 276 ft/lbs (375 nm) of torque. Redline 14,000 rpm. |
| Chassis | Resin-bonded and riveted extruded aluminum monoquoque. Four-wheel independent suspension featuring upper and lower unequal length wishbones and co-axial coil spring telescopic dampers. |
| Brakes | Hydraulically operated. Tandem master cylinder with vacuum servo and anti-lock braking system. |
| Acceleration | 0 to 60 mph in under 4 seconds |
| Top Speed | 125 mph (electronically limited) |
| Range | About 220 miles (based on EPA combined city/highway cycle) |
| Battery Life | Five years or 100,000 miles |
| Battery | Custom microprocessor-controlled lithium-ion battery with 6,831 individual cells. Weight 992 lbs. |
| Full Charge | About 3.5 hours using the Tesla Motors High Power Connector. |
Aoi
http://v3.gushare.com/file.php?file=4cc8c598da49d52e2b96a566a5edfb78 A
http://v3.gushare.com/file.php?file=a098babf819641c02e4d071344645550
http://v3.gushare.com/file.php?file=a386eec460a89fa43557466b65a1012c
2009 Tesla Roadster
Technical Specifications*
ที่มา http://www.teslamotors.com/performance/tech_specs.php
