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Old 6th March 2009, 17:19   #1
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Default worlds most fuel-efficient car! (VW 1-liter car)

(from Volkswagen Press Release) : At the 42nd Annual Meeting of Stockholders of Volkswagen AG in Hamburg, the most economical car in the world is presented: the 1-litre car. The prototype, which until now has been kept closely under wraps, and which many people never believed could be built, was driven under its own power from Wolfsburg to the Annual Meeting in Hamburg. Before the Annual Meeting, the current Chairman of the Board of Management, Dr. Ferdinand Piëch, drove this research vehicle to Hamburg from the company's headquarters at an average fuel consumption of 0.89 litres per 100 kilometres. This has once against impressively demonstrated Volkswagen's position at the cutting edge of modern technology.
The objective of developing a roadworthy vehicle that consumes just 1.0 litre of fuel per 100 kilometres could not be achieved through compromise. All existing technical solutions were examined, and in close cooperation with numerous suppliers, replaced by better, and principally lighter versions. The result is a vehicle that looks more like a sports car than a typical research vehicle.
The conceptual necessity for a small frontal area led to an unusually narrow and very flat body form being chosen. The body was developed in a wind tunnel, is 3.47 metres long, but just 1.25 metres wide and just over a metre in height, and is made completely of carbon fibre composites. To save weight, it is of course not painted. The carbon-fibre-reinforced outer skin is tensioned over a spaceframe that is not made of aluminium, but rather of magnesium, which is even lighter.
The 1-litre car is powered by a one-cylinder diesel engine, centrally positioned in front of the rear axle and combined with an automated direct shift gearbox. The crankcase and cylinder head of the 0.3-litre engine are of an aluminium monobloc construction. The naturally aspirated, direct-injection diesel engine employs advanced high-pressure unit injection technology to generate 6.3 kW (8.5 bhp) at 4,000 rpm. This gives the vehicle, which weights just 290 kg, an astonishingly lively temperament.
Fuel consumption is a mere 0.99 litre per 100 kilometres. With a 6.5-litre tank, this gives a range of some 650 kilometres without refuelling.
Due to the restriction of space, it was not possible to adapt an existing gearbox. For this reason, a compact, automated 6-speed gearbox is employed, which is controlled from a turn switch in the cockpit.
Running gear made of lightweight alloy, tyres that offer optimised rolling resistance and 16-inch wheels made of extremely lightweight composite material perfectly complement the economical drive system.
The interior is sportingly simple in design, yet offers enough space for two people, who can comfortably get in after folding back the turret-like gullwing door. An extremely lightweight construction has also been employed for the seats. The seat frames are made of magnesium, and firm, yet comfortable fabric covers are used instead of a classic upholstery.
Despite the lightweight construction of all components, safety has been a major element in all phases of the development of the 1-litre car. For example, the concept vehicle's safety equipment includes anti-lock brakes, ESP electronic stability program and a driver's airbag. Deformation elements at the front end and the spaceframe construction provide impact and roll-over protection comparable to that of a GT racing car.
The sports-car-like design demonstrates that Volkswagen's 1-litre car is not a spartan research vehicle, but a high-tech special vehicle. It starts with the special seating arrangement. The driver and passenger sit centrally as if in a monoposto, but in tandem. The mid-engine is installed transversely in front of the rear axle. With its complex design (double wishbones at front, DeDion suspension at rear) and combined with the low centre of gravity and low overall vehicle weight, the lightweight running gear results in very agile handling.
The project team have impressively succeeded in combining driving pleasure with a level of fuel consumption never seen before.
The 1-litre car also incorporates numerous details of a practical and convenient nature. For example, there is an easily accessible stowage compartment with a capacity of 80 litres under a separate flap in the rear; a reversing camera that helps when manoeuvring; automatic locking/unlocking of the gullwing door and a starter button in the cockpit that together allow keyless operation.
The concept of the 1-litre car - four wheels, low height, with two seats in tandem - gives an idea for a possible new family of vehicles, which could cover new requirements ranging from the ultra-economical vehicle, through the low-lost everyday touring vehicle for young people to the high-performance sports supercar.
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Old 6th March 2009, 17:50   #2
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the 100kpl car news is almost 2-3 years old and should have been in the international automotive scene.
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Old 6th March 2009, 18:21   #3
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300 cc, 8.5 bhp diesel engine on super light body?

Bajaj should try something similar in India. Afterall, they are king of mileage claims (108 kmpl bike). I am not sure what is practical use of this car, which is having airbags, ABS, ESP et al.
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Old 6th March 2009, 19:21   #4
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cool, but this thread belongs to "International automotive scene"
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Old 6th March 2009, 19:56   #5
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Old 7th March 2009, 13:59   #6
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i just love the steering wheel guys.
its small but its meaty
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Old 7th March 2009, 23:47   #7
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i have heard of this prototype a long time back.wonder why it took so long to be launched? the pictures i saw were different so i guess this is the production car.the results of vw's efforts seem to be finally turning out ripe.
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Old 15th March 2009, 01:40   #8
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These SAE Supermileage challenge results will surely throw you off the mark.

One of these vehicles managed over 3000 miles per gallon.

SAE Collegiate Design Series: Supermileage®: Results

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Old 15th March 2009, 03:58   #9
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all of these are impractical demo vehicles.

The Smart For2 Cdi is THE most F.E car in the world and is in production today. Gets about 85 uk-mpg on the EU combined cycle.

Thats like 35 kpl.
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Old 15th March 2009, 09:36   #10
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actually something like this could be useful in india. With the ever increasing traffic driving a car in india is real headache and bikes are the fastest mode of transport. but bikes aren't as safe as cars and are not a comfortable way to travel in summer( chennai gets really hot and sweaty ) . i will be happy to travel in a single seater car with 300 cc engine with AIR CON giving decent fuel economy .
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Old 15th March 2009, 23:44   #11
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Quote:
Originally Posted by amulu10 View Post
actually something like this could be useful in india. With the ever increasing traffic driving a car in india is real headache and bikes are the fastest mode of transport. but bikes aren't as safe as cars and are not a comfortable way to travel in summer( chennai gets really hot and sweaty ) . i will be happy to travel in a single seater car with 300 cc engine with AIR CON giving decent fuel economy .
+1, Tatas now need to start working on "Pico". Pico @ around 70k would be great.
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Old 16th March 2009, 08:41   #12
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It might be a record breaker, but it doesn't seems a practical one!
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Old 16th March 2009, 10:03   #13
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looks like the future from the past is catch up

these are the shape of cars i used to dream of when i was a kid. i love this cute pokey little car.

its simple, basic and true to what it wants to do

brilliant. absolutely brilliant.

Cheers,
AC
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Old 16th March 2009, 11:26   #14
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Wow it is such a Cutie. And very efficient and VW!
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Old 16th March 2009, 13:09   #15
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..great car, but how do we ICE it? any OEM ICE in there?
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