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Old Yesterday, 09:54 AM
 
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Water is free to anyone, steam cars and trucks would be devastating to the economy, in that no one is buying fuels for their vehicles, no industry could be sustained behind steam, there is just no way to meter its usage out to the public.

 
Old Yesterday, 09:56 AM
 
38,094 posts, read 39,442,399 times
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Quote:
Originally Posted by Nodpete View Post
Why don't we just make all wheels square ? Think of all the fossil fuel we'd not be burning because it would make travel very, very slow. Same logic as using steam to save energy.

Already been done.



https://www.youtube.com/watch?v=CIN8Q_4iaxU
 
Old Yesterday, 09:58 AM
 
Location: Round Rock, TX
2,345 posts, read 660,460 times
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Quote:
Originally Posted by turf3 View Post
When you set coal, or propane, or diesel fuel on FIRE, what are the results? (Other than heat)
Well no doubt some C02 would still be emitted, and some ozone layer into the air perhaps?


Well hey I was just curious about steam engines and what coated them not to evolve as much as petrol cars


That's all, not saying they should now be shoved on everybody's faces. As if we don't have to deal with self driving cars and hybrids/electrics as of now.


If we were to be as fast as cheetahs, we wouldn't need any transport other than semi trucks at all today


But hey who also don't like the sound of an exhaust or what about the elements in the outdoor? Don't want to freeze or get wet while running


But anyways, I was just wondering what the deep case scenario with steam engines could have been, that's all.
 
Old Yesterday, 10:00 AM
 
38,094 posts, read 39,442,399 times
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Quote:
Originally Posted by rstevens62 View Post
Water is free to anyone, steam cars and trucks would be devastating to the economy, in that no one is buying fuels for their vehicles, no industry could be sustained behind steam, there is just no way to meter its usage out to the public.

And how do you propose making steam without fuel?
 
Old Yesterday, 10:09 AM
 
4,257 posts, read 1,826,630 times
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Quote:
Originally Posted by rstevens62 View Post
Water is free to anyone, steam cars and trucks would be devastating to the economy, in that no one is buying fuels for their vehicles, no industry could be sustained behind steam, there is just no way to meter its usage out to the public.
Yeah, right, no industry could be sustained based on steam power. Other than, say, 90+% of electrical power generation in the USA.
 
Old Yesterday, 10:10 AM
 
38,094 posts, read 39,442,399 times
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Quote:
Originally Posted by Luciano700 View Post
If we were to be as fast as cheetahs, we wouldn't need any transport other than semi trucks at all today

Ahh but a Cheetah can only go fast for very short distance and then needs hours to recuperate. Humans are built for distance for a variety of reasons. Primarily because we sweat expelling heat and part of the energy is stored in achilles tendon on the down step. There is probably no animal on earth that can compete against humans in this category, you can beat a horse in long distance race with the right conditioning.
 
Old Yesterday, 10:20 AM
 
4,257 posts, read 1,826,630 times
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Quote:
Originally Posted by Luciano700 View Post
Well no doubt some C02 would still be emitted, and some ozone layer into the air perhaps?


Well hey I was just curious about steam engines and what coated them not to evolve as much as petrol cars


That's all, not saying they should now be shoved on everybody's faces. As if we don't have to deal with self driving cars and hybrids/electrics as of now.


If we were to be as fast as cheetahs, we wouldn't need any transport other than semi trucks at all today


But hey who also don't like the sound of an exhaust or what about the elements in the outdoor? Don't want to freeze or get wet while running


But anyways, I was just wondering what the deep case scenario with steam engines could have been, that's all.
OK, back to eighth grade science class.


When you set something on fire, you get carbon dioxide (the stuff everyone's concerned about), water, heat, and "other stuff" i.e., waste products.


If you set something on fire to generate steam and use the steam pressure to power an engine, you are making CO2. This is unavoidable. Ergo, steam power is neither free nor "clean".


Going a step deeper, for all common fuels the amount of CO2, water, and waste products produced per unit of heat generated in combustion is well known and tabulated. I am certain that among fuel oil, coal, and propane, the other waste products are lowest for propane since pure propane has nothing in it but hydrogen and carbon. I don't know where coal and fuel oil are with respect to each other. I am sure that wood and other biomass would produce far more waste product and CO2 per unit of heat.


If you're going to burn propane for traction, the smart thing to do is to mix it with air and inject it into the cylinder of an internal combustion engine. It's silly to burn propane and use it to create steam and then use the steam to power an automobile.


Scaling up, it actually makes excellent sense to burn coal or oil and boil steam and use it for propulsion in large ships, where the weight of the engines and ancillary equipment aren't as critical and where they can carry large volumes of fuel. It also makes excellent sense to do this in electric power generation plants. The stationary electric power generation plants also can operate at fixed speeds and loads, so the products of combustion are fairly stable, and weight and size aren't an issue, so they can install sophisticated scrubbers and filters to capture pollutants before they leave the smokestacks. Further, power plants have the abilty to hire highly paid technical professionals to operate them so they can be extremely complex. Ships are less so; there are a lot more ships and they need to be able to operate with somewhat less-skilled personnel, and automobiles have to be able to be driven by people who can't even figure out how to tie their own shoes, and serviced by the average garage mechanic.


\end eighth grade science lesson\
 
Old Yesterday, 10:23 AM
 
4,257 posts, read 1,826,630 times
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Quote:
Originally Posted by thecoalman View Post
And how do you propose making steam without fuel?
Well, we just need to innovate the technology! Maybe the negative-net-entropy generator?


How about the Mr. Fusion Home Energy Reactor?
 
Old Yesterday, 10:28 AM
 
38,094 posts, read 39,442,399 times
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Quote:
Originally Posted by turf3 View Post
Well, we just need to innovate the technology! Maybe the negative-net-entropy generator?


How about the Mr. Fusion Home Energy Reactor?

On second thought I probably should not have asked that question.
 
Old Yesterday, 11:08 AM
 
5,973 posts, read 4,221,560 times
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