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[GK] 8 Grams Of Thorium Could Replace Gasoline In Cars. - Page 18

post #171 of 236
Quote:
Originally Posted by andrews2547 View Post
Well said a car with 300+BHP is a car that is designed for overtaking on highways. A car with 100BHP will use more fuel overtaking a truck than a 300+BHP car overtaking the same truck, and on high speed travelling. At 80 MPH a Toyota Prius would do around 40MPG where as a where as my BMW 740i can do 40 MPG at 120 MPH with cruise control on. If travelling 100 miles the BMW would save a lot of money in fuel. I also have to defend the people who are saying that 300+BHP vehicles are overpowered because for driving around a city or town they are lol
naw, just go with a 150-200hp car that weighs less, faster acceleration and better gas mileage.
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post #172 of 236
Wonder how much it'll cost you to fill back up when you run out of Thorium...
post #173 of 236
Quote:
Originally Posted by The article
Charles Stevens is an inventor and CEO of Laser Power Systems. His idea is to replace the gasoline engine with an electricity generator that doesn’t require a battery. He is proposing the use of the rare earth mineral thorium in conjunction with a laser and mini turbines that easily produce enough electricity to power a vehicle.


Thorium is abundant and radioactive, but much safer to use than an element such as uranium. When thorium is heated it becomes extremely hot and causes heat surges allowing it to be coupled with mini turbines producing steam that can then be used to generate electricity. It also helps that it has a very large liquid range between melting and boiling point.

Uh, what?
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post #174 of 236
Quote:
Originally Posted by biltong View Post
Uh, what?
Quote:
Thorium ( /ˈθɔriəm/ thohr-ee-əm) is a naturally occurring radioactive chemical element, found in abundance throughout the world.
http://en.wikipedia.org/wiki/Thorium
    
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post #175 of 236
So then why did the article say rare?
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post #176 of 236
Thread Starter 
Quote:
Originally Posted by biltong View Post
So then why did the article say rare?
That's just the name of a broad variety of metals. It doesn't necessarily indicate scarcity.
post #177 of 236
For all those saying that the 350mw figure was ridiculous... It is most likely referring to the total output of energy for the lifetime of the thorium, not instantaneous expulsion...
post #178 of 236
Quote:
Originally Posted by Partol View Post
guyladouche, did you read the story?

"Stevens admits that his biggest hurdle isn’t the thorium and laser aspects of the system, but the mini turbines which have to be made small enough to fit inside a vehicle while generating enough electricity. Even so, Stevens believes he’ll have a working prototype by 2014 and the potential to not only replace, but improve upon the gasoline-powered engines we rely on today."

He admits that mini turbines are "his biggest hurdle". In other words, he is saying it would be easier if the turbines are physically larger (not to be confused with larger in quantity).

aroc91 calls this a scam and I tend to agree. Mobile thorium reactor is very wishful thinking. Can he at least demonstrate a non-miniature, working, stationary, prototype laser-thorium reactor? So far, it appears all he has to show is paper work.
Oh my god dude, do you not understand the meaning of context? Do you get that when they say that making the turbines is their biggest hurdle means that (if they're telling the truth) the process of getting power from thorium is properly laid out, they just need to machine turbines properly such that they can make them small enough without sacrificing efficiency? And that the context is implying that even their hardest hurdle is a simple and straight-forward issue of machining. It's like saying, "the biggest hurdle to me getting an A on my exam is showing up to class." It doesn't mean that showing up to class is a difficult or impossible thing to accomplish.

Anyhoo, all of this "biggest hurdle" business that you bring up still has nothing to do with the fact that it's easier to build a small-scale version of something than a large-scale version of something. The physics of the reactor/generator are proven and laid out, all that needs to be done is manufacture the hardware to appropriate specifications.

Getting back to the difference between making something on a small scale vs. a large scale, do you think it's easier to design something like an alternator generator that sits inside a car, or to design something like a full-fledged coal-burning power plant?

Quote:
Originally Posted by andrews2547 View Post
Well said a car with 300+BHP is a car that is designed for overtaking on highways. A car with 100BHP will use more fuel overtaking a truck than a 300+BHP car overtaking the same truck, and on high speed travelling. At 80 MPH a Toyota Prius would do around 40MPG where as a where as my BMW 740i can do 40 MPG at 120 MPH with cruise control on. If travelling 100 miles the BMW would save a lot of money in fuel. I also have to defend the people who are saying that 300+BHP vehicles are overpowered because for driving around a city or town they are lol
Is your BMW gasoline or diesel?
    
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post #179 of 236
Thorium properly does not belong to the "rare earths" as that is the term for the lanthanides only. Thorium does belong to the actinides, though.
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post #180 of 236
Quote:
Originally Posted by Fr0sty View Post
ship sized gas turbines only produce about 350mw right???
Nowhere near that much.

http://en.wikipedia.org/wiki/Gas_turbine#Maritime

The Olympus 3B, a seemingly popular model used on many Naval ship, puts out 21000kW.
    
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