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» Mk1 on Ebay
by Mk3rob Yesterday at 2:59 pm

» Mk2 on Ebay ..... 3K
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» Mk1 (?) chassis + bits for sale
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» Mk1 on Ebay
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» Another Mk1 project + engines
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» Mk1 on Ebay
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» Mk1 project on Ebay
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» Black Mk2 on Ebay
by PostageScamp Thu May 14, 2020 3:32 pm


(Almost) Free air Car

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(Almost) Free air Car Empty (Almost) Free air Car

Post  Mk3rob on Sun Feb 16, 2020 12:17 pm

Now this could really put the screws to the Middle East ,and the carbon foot print.................

What is this? Will it be the next big thing? Tata Motors of India thinks so. What will the Oil Companies do to stop it?


cid:16f844ce78e4ce8e91


It is an auto engine that runs on air. That's right; air not gas or diesel or electric but just the air around us. Take a look.

Tata Motors of India has scheduled the Air Car to hit Indian streets

cid:16f844ce78f5b006a2

The Air Car, developed by ex-Formula One engineer Guy N. For Luxembourg-based MDI, uses compressed air to push its engine's pistons and make the car go.

The Air Car, called the "Mini CAT" could cost around 365,757 rupees in India or $8,177 US.

The Mini CAT which is a simple, light urban car, with a tubular chassis, a body of fiberglass that is glued not welded and powered by compressed air. A Microprocessor is used to control all electrical functions of the car. One tiny radio transmitter sends instructions to the lights, turn signals and every other electrical device on the car. Which are not many.

The temperature of the clean air expelled by the exhaust pipe is between 0-15 degrees below zero, which makes it suitable for use by the internal air conditioning system with no need for gases or loss of power.

There are no keys, just an access card which can be read by the car from your pocket. According to the designers, it costs less than 50 rupees per 100 KM, that's about a tenth the cost of a car running on gas. It's mileage is about double that of the most advanced electric car, a factor which makes it a perfect choice for city motorists. The car has a top speed of 105 KM per hour or 60 mph and would have a range of around 300 km or 185 miles between refuels. Refilling the car will take place at adapted gas stations with special air compressors. A fill up will only take two to three minutes and costs approximately 100 rupees ($1.78 CAD!) and the car will be ready to go another 300 kilometers.

This car can also be filled at home with it's on board compressor. It will take 3-4 hours to refill the tank, but it can be done while you sleep. Or during daylight, by solar powered air compressors.
Because there is no combustion engine, changing the 1 liter of vegetable oil is only necessary every 50,000 KM or 30,000 miles.
Due to its simplicity, there is very little maintenance to be done on this car.


cid:16f844ce78e4ce8e91


Sorry pics wont copy
Mk3rob
Mk3rob

Number of posts : 2495
Age : 64
Location : Wolves
Job/hobbies : DIY, Cars, reading and survival!!
Registration date : 2008-05-19

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(Almost) Free air Car Empty Re: (Almost) Free air Car

Post  Rum Tum Tugger on Mon Feb 17, 2020 7:35 am

What sort of air pressure are they using? Should be calculable from the exhaust temperature but thermodynamics was never my strong point. Barring some novel materials technology, the compressed air tank is going to be big and heavy, and I wouldn't want to be near it in an RTA.

More constructively, a search for "tata air car" turned up several pages on the subject, most of them years old and only one or two with any real information. A search on Tata's own website drew a blank. Looks as though this is another Yeti project - everyone's heard of it but nobody's actually seen one.
Rum Tum Tugger
Rum Tum Tugger

Number of posts : 981
Age : 76
Location : Ivinghoe, Bucks/Beds
Job/hobbies : Retired computer boffin, Morris musician
Registration date : 2008-06-25

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