View Full Version : The Car That Runs On Compressed Air!!!!!


TruthSeeker
01-15-08, 04:33 AM
Awesome!

http://www.youtube.com/watch?v=Ov4t1P9bdGw



Of course, Bush will ban that in the US.... :rolleyes:

Read-Only
01-15-08, 04:45 AM
Awesome!

http://www.youtube.com/watch?v=Ov4t1P9bdGw



Of course, Bush will ban that in the US.... :rolleyes:

Big deal! That's already old news PLUS you still have to spend the energy to compress the air. So there's no energy savings there, actually more lost in the long run.

The only positives are cheaper to build and operate (no expensive IC engine to make and repair, no cooling system) and no pollution from traffic. BUT there are several downsides as well. The pollution is just moved out to where the power plants are AND the car is only good for mild climates - no heater or air conditioner. Because of those two latter facts it will not be welcome in most of the world.

Orleander
01-15-08, 04:49 AM
...Of course, Bush will ban that in the US.... :rolleyes:

a president can ban a car????

Read-Only
01-15-08, 05:03 AM
a president can ban a car????

Nope, that's just more of his empty words.

TruthSeeker
01-15-08, 02:33 PM
Big deal! That's already old news PLUS you still have to spend the energy to compress the air. So there's no energy savings there, actually more lost in the long run.

The only positives are cheaper to build and operate (no expensive IC engine to make and repair, no cooling system) and no pollution from traffic. BUT there are several downsides as well. The pollution is just moved out to where the power plants are AND the car is only good for mild climates - no heater or air conditioner. Because of those two latter facts it will not be welcome in most of the world.
It cost $1 per 100km. Still prefer your stupid oil? :rolleyes:

TruthSeeker
01-15-08, 02:35 PM
a president can ban a car????
Not on the way you are thinking. Bush and his oil buddies would definetely do whatever they can to prevent this car from coming to north america. :rolleyes:

Carcano
01-15-08, 03:02 PM
The air car doesnt run on air alone. It also burns gas to heat the cold air coming from the carbon fiber tanks. This boosts the energy density somewhat, and the open flame heat can also be used to warm up the interior...just as the cool air from the tanks can be used for air conditioning.

Tata Motors of India has bought rights to use the system, so there must be some validity there.

The big question mark is about the range. Ive been following the story for years and there is still no sign of independent verification.

Orleander
01-15-08, 03:03 PM
Not on the way you are thinking. Bush and his oil buddies would definetely do whatever they can to prevent this car from coming to north america. :rolleyes:

why would Bush do that?

Exiled
01-15-08, 03:30 PM
Not on the way you are thinking. Bush and his oil buddies would definetely do whatever they can to prevent this car from coming to north america. :rolleyes:

Silly, Bush and his big Oil Buddy’s wont ban the car! Think like a capitalist, buy out the car company that is developing it, import it and make more money. Big Oil Companies own more then just Oil and If there is a way for an Oil Capitalist to make more money, then by all mean, it will hit the market.

TruthSeeker
01-16-08, 01:31 PM
why would Bush do that?
MONEY of course!! :bugeye:

TruthSeeker
01-16-08, 01:32 PM
Silly, Bush and his big Oil Buddy’s wont ban the car! Think like a capitalist, buy out the car company that is developing it, import it and make more money. Big Oil Companies own more then just Oil and If there is a way for an Oil Capitalist to make more money, then by all mean, it will hit the market.
Yes, I know. The word "ban" was just an oversimplification.

Stryder
01-16-08, 02:27 PM
Having a little look at the information on the BBC, that was first reported in 2002 and still no signs of it appearing in mass production. The thing is while the car might run on compressed air it's made of plastic which is still a petrochemical.

It would of been interesting though to perhaps fit them with a compressor and solar panels so that it could compress air while it's parked as well as having either a hand crank or something similar to an exercise bike you could fold out and use to refuel the tank. (Apparently it would take 4 hours to fill, probably longer.)

It kind of gave this image of driving down a road with people pulled over to the side when they've run out and they've all pulled their exercise bikes out to run the compressor.

draqon
01-16-08, 03:14 PM
I need to see the values behind energy input into compression of air, needed air volume of compressed air, how exactly the engine gets the energy from this compressed air...

Read-Only
01-16-08, 03:30 PM
It cost $1 per 100km. Still prefer your stupid oil? :rolleyes:

Even you are smart enough (I thought) to know those figures are a BIG distortion!!! :bugeye:

draqon
01-16-08, 03:39 PM
Even you are smart enough (I thought) to know those figures are a BIG distortion!!! :bugeye:

Truthseeker is an accountant, not an engineer.

Nikelodeon
01-16-08, 04:27 PM
I'm an engineer. I should have been an accountant.

Read-Only
01-16-08, 04:28 PM
Truthseeker is an accountant, not an engineer.

He must not be very good at that either if he believes those numbers he posted. :shrug:

spidergoat
01-16-08, 04:36 PM
It seems like a great idea.

draqon
01-16-08, 04:41 PM
It seems like a great idea.

going to Iraq seemed like a great idea as well...and now you got "3926 dead" written as your insignia

spidergoat
01-16-08, 04:49 PM
OK, since Iraq was a bad idea, this air-powered engine must also be a bad idea. I will go flaggelate myself with a thorny branch now.

Carcano
01-17-08, 11:43 AM
More technical info from Technology Review magazine:

http://www.technologyreview.com/Energy/20071/page1/

Read-Only
01-17-08, 02:20 PM
More technical info from Technology Review magazine:

http://www.technologyreview.com/Energy/20071/page1/

Good find. And here's the kind of thing that non-technical people like Truthseeker fail to understand (excerpeted from that link):

"The Air Car may do better than fuel-cell cars, but experts say that using grid power to charge a battery-powered electric vehicle is much more efficient than using electricity to compress and store the same amount of energy in a tank. "The main problem is that air gets hot when you compress it, so much of the energy input goes into raising the temperature of the air as you try to raise the pressure," explains Doug Nelson, a professor of mechanical engineering and an expert on advanced vehicle systems at Virginia Polytechnic Institute."

spidergoat
01-17-08, 02:22 PM
So by the time you sit in your car in the morning, it will be nice and warm!

Carcano
01-17-08, 05:52 PM
Purchase price, cents per mile, and the range are the three important specs.

Even with heat loses the system is still a lot cheaper than gas in the cents per mile category.

I still havent seen any independent verification of the range.

hypewaders
01-17-08, 06:11 PM
The most reasonable comparison is with electric battery-motor vehicle propulsion systems- and air compares very advantageously in terms of cost and power-to-weight. For warm climates and seasons, air drive also provides very inexpensive air-conditioning as a bonus.

But in humid conditions especially, dealing with water condensation and freezing problems are a difficult challenge. For everyday practicality, not only convenient high-pressure compressors (or on-board low-psi-air-powered boosting compressors) but also efficient and rapid water-separation may be necessary.

There are significant developments happening in air motors for this application, and EngineAir (http://www.engineair.com.au/) has done some very interesting work there.

http://www.engineair.com.au/images/pt5anim.gif

RonaldJaison
01-21-08, 07:45 AM
Awesome!