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Old 03-04-2013, 03:09 PM
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Volkswagen 1-litre car Prototype 2002

The prototype VW 1-Litre concept car was shown to the public in April 2002 when Dr. Ferdinand Piech, then Chairman of the Board of Management, drove the concept between Wolfsburg and Hamburg as part of the Volkswagen annual meeting of stockholders.

For aerodynamics, the car seats two in tandem, rather than side-by-side. There are no rear view mirrors and it instead uses cameras and electronic displays. The rear wheels are close together to allow a streamlined body. The total aerodynamic drag is minimal because both the drag coefficient and frontal area are small (see drag equation). The drag coefficient (Cd) is 0.159, compared to 0.30 - 0.40 for typical cars.

The external dimensions of the car are 3.47 m (11.4 ft) long, 1.25 m (4.1 ft) wide and 1.10 m (3.6 ft) tall. There is 80 l (2.8 cu ft) of storage space. The car features an aircraft-style canopy, flat wheel covers and an underbelly cover to smooth the airflow. The engine cooling vents open only as needed.

For light weight, the car uses an unpainted carbon fibre skin over a magnesium-alloy subframe. Individual components have been designed to be low weight, including engine, transmission, suspension, wheels (carbon fibre), brakes (aluminium), hubs (titanium), bearings (ceramic), interior, and so on. Empty vehicle weight is 290 kg (639 lb).

The body and frame are designed with crush/crumple zones and roll-over protection, and the tandem seating means large side crush zones. Volkswagen claims protection comparable to a GT racing car. The car has anti-lock brakes, airbags with pressure sensors, and stability control.

The engine is a one-cylinder 299 cc (18 cu in) diesel producing just 6.3 kW (8.4 hp). It drives through a six-speed transmission that combines stick-shift mechanics, weight, and drive efficiency with automatic convenience and efficiency controls. There is no clutch pedal. The gear selection (forwards, reverse or neutral) is made using a switch on the right-hand side of the cockpit. The engine is switched off automatically during deceleration and stops, and auto-restarted when the acceleration pedal is pressed.

According to Volkswagen, the vehicle consumes 0.99 l/100 km (238 mpg-US),285 mpg(imp), giving it a 650 km (404 mi) driving range on one tank of fuel.

(wikipedia states that the second photo shows a replica of the prototype)
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File Type: jpg Volkswagen 1-litre car 2002.jpg (455.0 KB, 7 views)
File Type: jpg Volkswagen 1-litre car 2002 (replica).jpg (186.3 KB, 9 views)
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