- My Forums
- Tiger Rant
- LSU Recruiting
- SEC Rant
- Saints Talk
- Pelicans Talk
- More Sports Board
- Coaching Changes
- Fantasy Sports
- Golf Board
- Soccer Board
- O-T Lounge
- Tech Board
- Home/Garden Board
- Outdoor Board
- Health/Fitness Board
- Movie/TV Board
- Book Board
- Music Board
- Political Talk
- Money Talk
- Fark Board
- Gaming Board
- Travel Board
- Food/Drink Board
- Ticket Exchange
- TD Help Board
Customize My Forums- View All Forums
- Show Left Links
- Topic Sort Options
- Trending Topics
- Recent Topics
- Active Topics
Started By
Message
re: Energy and Transportation: FREE during the 1800s (*Before* Big Oil changed tGame)
Posted on 4/29/22 at 5:57 pm to TutHillTiger
Posted on 4/29/22 at 5:57 pm to TutHillTiger
quote:
We know there is a 100 year light bulb,
We do?
quote:
I remember Goodyear buying the patent for no wear rubber in the 80s promising longer lasting years
The tires on my truck have lasted for 80k since my '07. There is no such thing as "no wear".
quote:
the germans allegedly developed a synthetic gas formula at the end of WW2,
This isn't rocket science and was known before the war. It's made from coal.
As far as the OP's claim transportation was free in the 1800's; If it was free then how did JJ Hill, Cornelius Vanderbilt, Russell Sage, EH Harriman and the numerous other rail barons become some of the richest men on the planet?
btw-Steam locomotives burned wood and coal. Not free.
This post was edited on 4/29/22 at 6:06 pm
0
Posted on 4/29/22 at 6:23 pm to TutHillTiger
quote:
I remember Goodyear buying the patent for no wear rubber in the 80s promising longer lasting years
Link the patent. You can't because nobody buys a patent to keep an idea off the market indefinitely because once the patent is filed the genie is out of the bottle.
That being said, there have been huge advances in rubber compounds for tires since the 80s. Tires last significantly longer now even subjected to more wear and tear from higher weight cars. YOu could easily make a rubber tire for cars that last the life of an average car with no issues, the problem is it would produce very little friction. So if you want to drive on the equivalent of ice every day they could be a tire for you that would last 400k miles.
quote:
We know there is a 100 year light bulb
Take a quality long-life incandescent bulb and run it at 1/10th of the design voltage and only turn it off and on 25 years and it will likely last several decades. YOu can overbuild a bulb and have it last a very long time but they tend to be inefficient and expensive to build. Those costs far outweigh the convenience of not replacing most household bulbs. It is a similar issue with LED bulbs you can significantly underdrive then and add extra LEDs to meet your lumen output needs but the cost of the bulb outweighs the longevity in all but the highest cycling areas. Look up the Philips Dubai bulb.
I agree designed obsolescence and managing MTBF can be frustrating with many products but where their is a big consumer push against it there are almost always products to meet that niche but they might have higher than "commodity" pricing attached to them.
Posted on 4/29/22 at 7:03 pm to Obtuse1
quote:There is far too much actual information, logic, and rational thought in this post and OP will dismiss it entirely.
I decided to do some calculation on our compressed air power car.
I used a pressure vessel with 1 cubic meter of volume.
Ambient temp at 80 degrees
The initial pressure in the vessel at 1,000 psi
In isothermic expansion, this gives 30,000kJ of energy.
30,000 kJ of energy is 8.3 kWh is enough energy for a Telas Model 3 to go ~38 miles in ideal conditions
30,000 kj is roughly the energy in 1/4 of a gallon of gasoline. The highest milage gas (non-hybrid) is a 39 mpg combined.
Basically, you need a LARGE pressure vessel and/or very high PSI to begin to have a "normal" range for a car.
One important thing to note is air compressors are VERY inefficient roughly 10% for the better ones but far less for super high pressures like 1,000 PSI and above. So in the hypothetical car if you use a baseline of the model 3 and the air engine being 100% efficient it would go 38 miles BUT you would have to use 300,000 kJ of energy to accomplish this assuming an incredibly efficient compressor capable of 1,000psi (10% efficiency). That would be 83 kWH of energy used to get a car to go 38 miles.
TLDR compressed air cars would be incredibly inefficient and if you can build an air compressor that approaches 20% efficiency you have a multi-billion dollar idea.
Posted on 4/30/22 at 4:28 pm to NoTSquirrely
quote:
The gravity defying properties of mercury
LOL, I love how these idiotic theories really just boil down to idiots being confused by things like density…and street lights.
This post was edited on 4/30/22 at 4:30 pm
Posted on 4/30/22 at 4:31 pm to Liberator
I wonder how long it would take to get to work in a hot air balloon
Posted on 4/30/22 at 6:34 pm to Liberator
quote:
First...watch your filthy mouth, you disrespectful Pagan Freak.
God damn you are a god damned moron.
quote:
"Yes, mass vaccination as a strategy has worked extremely well, and will continue to work well, despite whatever protestations people have about vaccines." ~ crazy4lsu "
Yes. It has worked extremely well. It helped eradicate two diseases, and seriously controlled many more.
quote:
"We haven't seen a case of vaccine-induced myocarditis to my knowledge." ~ crazy4lsu
Do you want me to lie and say I have? Now that wouldn't be godly would it?
Posted on 4/30/22 at 7:46 pm to Liberator
You need to get clear on EROEI.
No energy is free. If you used draft animals to farm crops in 1870, more than a quarter of your total production went to feed them.
You measure Energy Return on Energy Investment. But there is always an investment.
to;dr: you are an idiot.
No energy is free. If you used draft animals to farm crops in 1870, more than a quarter of your total production went to feed them.
You measure Energy Return on Energy Investment. But there is always an investment.
to;dr: you are an idiot.
Page 11 of 11
Popular
Back to top
Follow TigerDroppings for LSU Football News