Originally Posted By: moribundman
Originally Posted By: crw
Originally Posted By: moribundman
Originally Posted By: ekpolk
I could be wrong, and I'm not an engineer
Oh...
I am an engineer, and I officially take all bets, of everything I own, that you can't drive a car coast to coast on $2.00 of compressed air, unless that car is a Matchbox, or the two coasts are one side of Long Island New York to the other side of the island.
I never said it was doable, or that I believed it to be doable. My mock surprise was merely directed at ekpolk's admission of not being remotely an expert, after all, everybody here is an expert.
What kind of engineer in what field of expertise are you?
I'm actually a semiconductor engineer. But of course the training bleeds over into other specialties. There are really just a few basic "laws" one needs to know and the rest is just being able to quantify things and relate it back to the math.
As far as an energy storage device goes, lets pit a compression tank against batteries.
Batteries are very expensive. Perhaps they double the price of the car. A tank for air is relatively very cheap. Nothing new in the way of technology. It would last for eons, and is recyclable. (Lithium ion batteries *might* be recyclable, but strangely, we don't know yet.)
Batteries take a long time to charge. An air tank could probably (OK, I'm not sure) be charged in the same amount of time that it takes to fill a gasoline tank up with fuel, if you're at a special service station that has high-power filling devices.
Tata has shown that a super light weight dork-mobile can travel on air a comparable distance to a battery powered car. 300km for the Tata (187 miles) is actually right in the ballpark with the Tesla, which "Car and Driver" claimed a "real-world" 180. The Tesla costs $100K, while I think the Tata is around $5k (but it's certainly not crash worthy).
Of course, in performance there is no comparing the two. The Tesla is a supercar, and the Tata is a little faster than a golf cart.
My own opinion is that all of this will get postponed again, because there is no oil shortage. We are NOT at peak oil. (Remember, this is my OPINION.) You need to separate the emotion from the equation. The recent run-up was a bunch of speculation. A lot of fools lost a lot of money. Will it happen again? Maybe, but who's gonna buy oil at over $100? I'm not.
The other PC component in this is the concept of "man made global warming", the biggest crock of lies ever foisted upon the world. This is really about power over people. An argument is made, and a bunch of "believers" join in for the ride. Pretty soon the masses are controlled by those in power. I could write all day on this subject, but I think I better get back to my real job.
Just ask yourself this, "If increased CO2 follows an increase in temperature, rather than preceding it, how can CO2 cause warming?" (If CO2 preceded temp rise, the earth would have burned up long ago. Fortunately for us, the earth has a negative feedback system in place.) The only global warming going on comes from the sun. Don't mess with the sun.