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Thursday, September 23, 2010
The preceding days there have been some information about BMW’s latest concept car spy photos, recently finally had come from official sources, the concept car has been officially named as the Vision EfficientDynamics, the corresponding names of the BMW in recent years has been stressed Efficient Dynamics (dynamic) system, this car will be the Frankfurt auto show debut.
Its design sets the theme for a series of upcoming BMW road cars and proves BMW is discarding the worst excesses of the flame design theory in favor of a lighter, less heavy, more aggressive look.BMW uses a diesel-electric hybrid system and the layout is more conventional, with the engine up front, driving the rear wheels through the M3’s Getrag double-clutch six-speed gearbox.
The engine, with 163 horsepower and 214 lb-ft. of torque, is all aluminum and produces more power than the 116d’s existing 2.0-liter turbo-diesel BMW engine.The engine gets crushing acceleration by using two electric motors ahead of the gearbox. One of these drives the front wheels under acceleration and the other helps the diesel engine out by adding its torque to the rear axles.While the motor for the rear wheels produces only 33 horsepower, it has 214 lb-ft. of torque (or, as much again as the diesel engine in its strongest part of the rev range), though it can be over boosted to 51 horsepower.The front motor is a different type, producing more power (80 horsepower), but less torque (162 lb-ft.), even though it can flit to over 134 horsepower in hard acceleration.The battery pack to power the electric motors sits inside the chassis tunnel and weighs 187 lbs. and, like the Benz concept, it is a Lithium-ion unit. Inside, the battery has 98 lithium polymer cells which generate 364 Volts and can store 10.8kW/h of electricity.The strange thing is that the battery is charged as the car is running from the engine and from regenerative braking, or it can be charged as a plug-in from normal 220 Volt/16 Amp systems in two-and-a-half hours.
The engine, with 163 horsepower and 214 lb-ft. of torque, is all aluminum and produces more power than the 116d’s existing 2.0-liter turbo-diesel BMW engine.The engine gets crushing acceleration by using two electric motors ahead of the gearbox. One of these drives the front wheels under acceleration and the other helps the diesel engine out by adding its torque to the rear axles.While the motor for the rear wheels produces only 33 horsepower, it has 214 lb-ft. of torque (or, as much again as the diesel engine in its strongest part of the rev range), though it can be over boosted to 51 horsepower.The front motor is a different type, producing more power (80 horsepower), but less torque (162 lb-ft.), even though it can flit to over 134 horsepower in hard acceleration.The battery pack to power the electric motors sits inside the chassis tunnel and weighs 187 lbs. and, like the Benz concept, it is a Lithium-ion unit. Inside, the battery has 98 lithium polymer cells which generate 364 Volts and can store 10.8kW/h of electricity.The strange thing is that the battery is charged as the car is running from the engine and from regenerative braking, or it can be charged as a plug-in from normal 220 Volt/16 Amp systems in two-and-a-half hours.
Ushering in a new design era ... As the first car of the new, Adrian von Hooydonk era of design at BMW, it also offers strong hints about where BMW wants to take its super critical new-generation 3- and 5-Series. von Hooydonk has taken over as the BMW Group’s design boss and has used the Vision EfficientDynamics to experiment with acres of glass, an all-new interior concept.At 181 inches long, the slinky concept has four seats and, at 74 inches wide and 48.8 inches tall, is only just bigger than the existing 3-Series coupe.0 Comments:
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