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Old 06-12-2008, 03:12 PM   #61
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Originally Posted by rleete View Post
Sounds to me like the "zero polution" engine is just forcing the problem onto the electric generating system. Maybe if you had wind or solar powering the compressor, but a coal plant is going to have to spew more polutants to increase capacity to power the compressors and charge all the electric batteries.
The air engines are very efficient. Did you watch the videos? It says with 2 to 3 minute charge time of air you get 2 hours drive time. Lithium Ion batteries are a stupid idea because they have half-lives and cause a large amount of pollution too. For giving each home power, nuclear plants could be used instead of coal, and that would power the compressor you use to charge your air car. And to enable a longer range of travel, hydrogen fuel cells could be used.
http://news.bbc.co.uk/2/hi/technology/3031870.stm

Hydrogen fuel cells could also be used primarily too if they were perfected enough.

http://youtube.com/watch?v=XzeCQblYHic

http://youtube.com/watch?v=B0N1VBhtV4k

Either way would be the best bet in my mind.
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Old 06-12-2008, 03:51 PM   #62
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I think that's misleading. You'll note that the onboard compressor takes up to 4 hours. So, 2-3 minute charge time only if you're filling from a large compressor tank. My compressor (older 4 HP Devilbis) takes only about 25-30 seconds to charge up it's 30 gallon tank, so that 3 minutes is either a huge air tank, or a fairly large compressor - i.e. not your typical sears oilless crap, but a real 8 HP industrial type. Those are not very efficient; they create a heck of a lot of heat.

One other thing. That whole 300 bar stat. Your Harbor Freight special ain't going to hit that kind of pressure no matter how long you run it. We have a ultra high pressure system here at work (550 PSI, as I recall), and it's a monster. The thing is huge; the size of a small car, not including the tank. It's also 440 volt. I doubt even many shops have the kind or equipment to go much past 150 PSI or so. So it isn't like you can pull into the Shell station and charge up.
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Old 06-12-2008, 04:22 PM   #63
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You should consider getting a TV. If you had one, you'd know that every form of motorsports in the world used a bladder in fuel tanks for the last 20-years.
Actually you are right, I don't watch tv, better things to do. What does a fuel bladder have to do with a giant can of compressed air?


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Originally Posted by rleete View Post
First of all, there is a difference. It's called budgeting. Like car payments or a mortgage most people can't afford it all at once, but spread over time you can afford it. You may have to cut back on other things, but you're supposed to plan for that. Second, it isn't $1500 yet; gas has only risen about 85 cents, so it's more like 500 bucks. The TV was easily double that, and cable itself is likely that much each year.
Swell for all the people that work low wage jobs i'm sure they will be happy to know that now they have to budget for another 125 a month, Who needs food or clothes for your kid anyway? Your the one who came up with the 1500 magic number. At least you got the "Yet" part right
------------------------

There is no real alternative to replacing fuel powered cars today. Even if you had something right this second how many years would it take to replace every auto in the US not counting farm equipment, planes etc?
Modern farming and oil based pesticides are what's allowed the ridculous population boom. Make fuel too expensive for farming or transport and your going to have alot of pissed off hungry people. How the **** does milk cost more than gas anyway? Is there a cow shortage I missed?

Most of you guys are totally missing my original question though.

I dont really care about wind, solar, nuclear energy or cars that run on refried beans and dead rats. You will never see that **** hit mainstream.
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Old 06-12-2008, 07:59 PM   #64
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I dont really care about wind, solar, nuclear energy or cars that run on refried beans and dead rats. You will never see that **** hit mainstream.
I don’t consider my self to be mainstream, more like off the beaten path. If the major auto manufactures won’t build it for me, then **** them! I will build my own.

I have been doing a little research last few days, as I alluded to in an early post I am considering building my own car that could get considerably better fuel mileage then present models. A sub 1000 LB car powered by a 20+- HP diesel motor, and aerodynamics that would make a F22 Raptor jealous. Looks on the other hand, might leave a little to be desired.
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Old 06-12-2008, 08:32 PM   #65
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Build a locost. 1200 pounds (a bit heavier than your target), but an easy 100+ HP on a stock motor. Add in the fact that Miata parts are proven, readily available and reasonably priced. You can put one together for 4 grand if you're handy and can fab your own stuff. If you're creative, you can use a motorcycle engine or fit just about any small 4 banger.

Downsides are pisspoor weather protection, lots of noise and wind, and no creature comforts (heat, A/C). Oh, and the minor niggle that you are almost guaranteed to die if an SUV hits you.

But the guys that have built one all rave about how fun they are.
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Old 06-12-2008, 09:07 PM   #66
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Originally Posted by rleete View Post
Build a locost. 1200 pounds (a bit heavier than your target), but an easy 100+ HP on a stock motor. Add in the fact that Miata parts are proven, readily available and reasonably priced. You can put one together for 4 grand if you're handy and can fab your own stuff. If you're creative, you can use a motorcycle engine or fit just about any small 4 banger.

Downsides are pisspoor weather protection, lots of noise and wind, and no creature comforts (heat, A/C). Oh, and the minor niggle that you are almost guaranteed to die if an SUV hits you.

But the guys that have built one all rave about how fun they are.
I do have the plans for the locost on my computer, but I think you missed the part about fuel efficiency. A locost is as aerodynamic as a brick wall. A 100 HP would be a blast in a locost, but that would be counterproductive when the goal is high fuel mileage

As for your “down sides” hell I already have most of those in the miata.
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Old 06-12-2008, 09:11 PM   #67
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it's not as though you couldn't build a aerodynamic body on a locost frame.
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Old 06-12-2008, 09:51 PM   #68
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Originally Posted by Milton Tucker View Post
I have been doing a little research last few days, as I alluded to in an early post I am considering building my own car that could get considerably better fuel mileage then present models. A sub 1000 LB car powered by a 20+- HP diesel motor, and aerodynamics that would make a F22 Raptor jealous. Looks on the other hand, might leave a little to be desired.
I need see to believe....

Vash-
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Old 06-12-2008, 11:50 PM   #69
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Originally Posted by Vashthestampede View Post
I need see to believe....

Vash-
Ok Fucktard.

I am thinking something on these lines, but hopefully a little less hideous looking. http://jalopnik.com/cars/alternative...car-245595.php
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Old 06-13-2008, 12:35 AM   #70
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Ok Fucktard.

I am thinking something on these lines, but hopefully a little less hideous looking. http://jalopnik.com/cars/alternative...car-245595.php
Ok....so now the real question is;

If someone made one of these, exactly how long and intense of a production is it do be able to drive it legally? Could it even be registered with a regular plate, not any special restricted kind?

Vash-
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Old 06-13-2008, 12:40 AM   #71
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Default Investors' Growing Appetite for Oil Evades Market Limits

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Originally Posted by Ben View Post
Gas won't hit $10 over the next 2 years. It's stupid speculation like this that is what's currently driving the price up.

Let's state that again. SPECULATION is driving the price up. Not supply and demand. There is plenty of supply of crude. This will be regulated eventually.

High gas prices lead to recession. It's already happening. If gas really were to hit $10/gallon you'll have other priorities to deal with first. Like food, shelter, and water.
Ran across this interesting article the other day in the Washington Post:

Trading Loophole for Wall Street Speculators Is Driving Up Prices, Critics Say
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Old 06-13-2008, 01:42 PM   #72
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Originally Posted by Vashthestampede View Post
Ok....so now the real question is;

If someone made one of these, exactly how long and intense of a production is it do be able to drive it legally? Could it even be registered with a regular plate, not any special restricted kind?

Vash-
If you build it with 3 wheels, then it is considered a motorcycle. It is considerably easer to get a home built motorcycle licensed then a home built car.
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Old 06-13-2008, 02:13 PM   #73
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if gas gets that high, ill get a bike, and call it a day
with you on that one.

Maybe like Europe we'll have more "compact" cities. There is absolutely no reason our cities are as large as they are.

I spent my summer in Lugano Switzerland.

The city has a similar population to my home town in Florida, but instead of one side of the city being nearly 15 miles to the other side, I could walk anywhere I needed to.

Poor planning is a huge problem in this situation. I'm sorry, but if you want a big backyard, you better be ready to drive that extra distance.
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Old 06-13-2008, 02:46 PM   #74
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That's awesome
...other than the fact that when you get into a wreck instead of being riddled with shrapnel when the tanks explode thanks to carbon fiber tanks you'll simply be shot into orbit hopefully thru a breakaway roof.
While I'm not a fan of the aircar concept (from an efficiency standpoint) I don't think the tanks are going to be a real issue. Over the past few years, paintball players have been transitioning from CO2 to compressed air to power their markers. HPA (high pressure air, sometimes referred to as N2 or nitro) systems are more reliable than CO2 as they eliminate the tendency for the system to ice up on markers with a high rate of fire, and to blow lines and seals if liquid CO2 is drawn into the marker.

The tank I use holds 68 cubic inches and weighs approximately 3 lbs including regulator. It consists of a thin aluminum tank wrapped in spun carbon fiber, and is filled to 4,500 PSI- comparable to the fill pressure of an aircar.

These tanks are subjected to every manner of abuse imaginable. People drop them onto rocks, bang them around on trees and buildings while running, and so far as I'm aware, there has never been a documented case of one rupturing causing injury.
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Old 06-13-2008, 03:08 PM   #75
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We whine because we obviously have a different standard of living than the rest of the world. Which technology is it you are referring to thats going to be so cheap as to replace everything that runs on gas?
Hybrids, electric, gas, etc.
I'm not saying that its cheap now, but then gas has a 80-90% share today.
As for the standard, the only thing on another level than the other industrial countrys is the distances and the cheap gas and housing. Don't know if you've been to europe and industrialized asia, but it's not like we're farmers
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Old 06-13-2008, 05:03 PM   #76
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...and is filled to 4,500 PSI- comparable to the fill pressure of an aircar.
So, how are they filled? Some sort of chemical reaction? Liquid?
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Old 06-13-2008, 06:27 PM   #77
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So, how are they filled? Some sort of chemical reaction? Liquid?
The tanks are typically filled via a high pressure low volume compressor (if using compressed air) or from a cascade system (if using compressed nitrogen)
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