Monday, February 18, 2008

"टाटां'ची आता हवेवर चालणारी कार!

"टाटां'ची आता हवेवर चालणारी कार!
एक लाख रुपयांमध्ये "नॅनो' कार आणून सामान्य नागरिकांचे स्वप्न साकार करण्याचा प्रयत्न करणारे रतन टाटा आता आणखी एका आश्‍चर्यकारक मोहिमेवर काम करीत आहेत. सर्व काही योजनेनुसार झाले तर त्यांची "टाटा मोटर्स कंपनी' एका वर्षाच्या आत हवेवर चालणारी कार तयार करेल. हवेवर चालणारी कार पाच जणांना बसता येईल, अशा बनावटीची राहणार असल्याचे टाटांच्या या महत्त्वाकांक्षी योजनेवर काम करीत असलेले फ्रान्सचे अभियंता गाय नेग्रे यांनी सांगितले. या कारची बॉडी फायबर आणि काचांपासून तयार करण्यात येईल. कारच्या कॉर्बन फायबरपासून तयार करण्यात आलेल्या इंधनपुरवठा टाक्‍यांमध्ये केवळ तीन मिनिटांमध्ये हवा भरता येईल. ही हवाच कारचे इंधन असेल. या टाक्‍या चेसिसच्या आतमध्ये बसविण्यात येतील. या कारने लांब प्रवास करण्यासही कोणतीच अडचण येणार नाही. या कारचा पहिला ग्राहक पर्यावरणावर प्रेम करणारा असेल.

तांत्रिक माहिती
Moteur Developpement International (French: International Motor Development) is a Luxembourgian company that is famous for designing Compressed Air Engine vehicle prototypes marketed under the title "the Air car".
In 2002, a team of Swedish journalists from magazine Teknikens värld went to Nice to meet
Guy Nègre and try out the air car. They test-drove the car and took pictures of it.
"We tested the car and it ran quite well" ( Michael Baltierra, ABC News reporter)
MDI proposes a range of vehicles developed on an identical concept:
MiniCATs is a small vehicle with three-abreast seating. Under 'urban' driving conditions, the MiniCAT has a range of 100 miles and a maximum speed of 70
MPH. The top speed is 110 km/h, with a range of 108 km. The time of recharging is 4 h. on the sector. The weight of the vehicle is 550 kg for a charge of 270 kg. It is used for local commuting. The MiniCAT's prototype was featured in the latest edition of the 'Salon Mondial de l'Automobile Paris 2002
CityCATs. Several CityCATs variants are envisaged: a
taxi with (5 seats), a pick-up with (2 seats) and a van with (2 seats). With a power limited to 25 hp (in mono-energy ie. with compressed air the sole source of energy), these vehicles have a stated range of 100 to 150 miles (approx. 240km) in urban use and a maximum speed of 110 km/h. The vehicle weight is approximately 900 kg.
MultiCATs is a modular project of vehicle for transport of passengers or carriage of goods. The autonomous vehicles can constitute a train of 4 modules. .
OneCATs is an economical car (3,500 euros) less than 500 kg to be sold in India
(Tata Motors) and Europe . Mono-energy and bi-energy (hybrid air-gasoline vehicle).
Filling the tanks with compressed air takes 3-4 minutes; therefore, the cars will also be able to be used for longer journeys. In addition to the compressed air refuelling option, the car has a built-in air compressor that can plug into any standard outlet and refill the tanks in 4 hours.
There are now 50 fabrication and distribution licenses signed in the world. Some of the countries that have signed agreements include France, Germany, Spain, Portugal, Italy, New Zealand, Israel, South Africa, etc.
Zero Pollution Motors is going to make MDI vehicles in the United States
. Zero Pollution Motors and MDI are among the teams to commit to participate in the Automotive X Prize competition.
The last one is MDI Andina S.A is going to sell the car in Colombia, Peru, Ecuador and Panama.
Production in France was claimed to be starting in late 2000, and at frequent intervals, in several countries, thereafter. None are in production as of January 2008.
Guy Nègre is the CEO and Miguel Celades the
sales manager.
The Air Car has been in development for twenty years. In the original Nègre air engine, one piston compresses air from the atmosphere, holding it in a small container that feeds the high pressure air tanks with a small amount of air. Then that portion of the air is sent to the second piston where it works. During compression for heating it up, there is a loss of energy due to the fact that it cannot receive energy from the atmosphere as the atmosphere is less warm than it. Also, it has to expand as it has the crank. Nègre's engine works with constant torque, and the only way to change the torque to the wheels is to use a pulley transmission of constant variation, losing some efficiency. Armando Regusci's version of the air engine has several advantages over the original Nègre design. In Regusci's version, the transmission system is direct to the wheel, and has variable torque from zero to the maximum, enhancing efficiency. When vehicle is stopped, Guy Nègre's engine has to be on and working, losing energy, while the Regusci's version need not. In 2001-2004 MDI switched to a design similar to that described in Regusci's patents, which date back to 1990
Eolo Car is a version of the Air Car that was to be manufactured in Italy in 2003, but failed to get into production.
MDI has subscribed an agreement with Tata Motors, to produce air cars in India.

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