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Posted on 3/16/22 at 11:39 am to hikingfan
The genius is in its simplicity.
Posted on 3/16/22 at 11:41 am to hikingfan
This is just like my idea to tow ice bergs into the gulf or to fly planes clockwise over the storm to mitigate hurricanes.
Posted on 3/16/22 at 11:43 am to hikingfan
I'm a geologist. I know why mountains are where they are and I understand the forces that make them.
Never, ever have I seen a river on top of a mountain.
Never, ever have I seen a river on top of a mountain.
Posted on 3/16/22 at 11:52 am to Korkstand
Lying by omission, notice that the link is several years old and there isn't anything on these trucks' performance after several years in active mine service. Like so many other initiatives that promise much but deliver far short (self-filling water bottles, solar roads/sidewalks, etc.) this water truck is yet another example of people's low understanding of basic physics and how easy it is to take advantage of that to siphon money out of investors and governments.
Posted on 3/16/22 at 11:54 am to hikingfan
That's a college sophomore exam question (dunno whether physics, math, or engineering), not a plan for the real world.
Posted on 3/16/22 at 11:55 am to Korkstand
quote:
Why don't you give me the cliff's on that 25 minute video before I waste my time watching?
Heaven forbid you punish your poor few braincells while somebody with a PhD in physics explains something to you using very simple language. Willful ignorance is certainly something you are proud of.
Posted on 3/16/22 at 11:55 am to udtiger
quote:Reading is Fundamental - they swap out the full battery for one that's just full enough to reach the top.
how's the truck/tank gonna get back to the top of the mountain?
I've got to believe a pipe and a turbine would be an altogether better "solution" for whatever local problem this is supposed to solve.
Posted on 3/16/22 at 11:56 am to Korkstand
quote:
How so? The gravitational potential energy is not part of the loop. No difference hauling water or rocks downhill.
I initially read this as the trucks using this to generate their own power to be used elsewhere by the truck itself. My bad.
This still seems like a really inefficient way to generate power
Posted on 3/16/22 at 11:56 am to hikingfan
It will take more energy to get the truck back up the hill than it will make coming down the hill.
Otherwise, these people have finally solved the dilemma of perpetuity with a truck full of water.
Otherwise, these people have finally solved the dilemma of perpetuity with a truck full of water.
Posted on 3/16/22 at 11:57 am to fr33manator
quote:Unicorn farts.
clean coal
Posted on 3/16/22 at 12:01 pm to fr33manator
quote:
quote:
At an electric truck cost of $150,000, that power would cost $600 million. “The same capacity for wind power would cost $1,200 million,” he says.
And how much would clean coal cost?
Also, notice these costs seem to be estimated one time costs, meaning they aren't considering the additional costs associated with operation and maintenance of either. However, I would bet the cost of operating and maintenance of the system with 4000 trucks is a hell of a lot more than the equivalent system for wind to achieve the 1 GW of power.
Posted on 3/16/22 at 12:01 pm to Clames
quote:LINK
Lying by omission, notice that the link is several years old and there isn't anything on these trucks' performance after several years in active mine service.
quote:
31st March 2021
Since it was commissioned at a Ciments Vigier SA limestone quarry, near Biel-Bienne, in Switzerland, the eDumper, a Komatsu HD605-7 conversion with 700 kW NMC lithium battery power, has been in daily use and saves 50,000 litres of diesel thanks to its electric power per year.
“We will continue to work closely with Kuhn Schweiz AG so that, in the future, more battery-powered large vehicles for mines and mines can be built or converted to electric operation.” eMining had previously IM that it was working on a 110 ton (100 t) class eDumper and Lithium System CEO Roger Miauton confirmed that it is currently evaluating the 100 t truck chassis and is also set to produce more of the 65 t version.
Posted on 3/16/22 at 12:02 pm to Tigerlaff
quote:
This is just like my idea to tow ice bergs into the gulf or to fly planes clockwise over the storm to mitigate hurricanes.
Posted on 3/16/22 at 12:02 pm to udtiger
quote:
how's the truck/tank gonna get back to the top of the mountain?
You build the truck factory on top of the mountain.
Posted on 3/16/22 at 12:05 pm to hikingfan
Sounds like a lot of work
Posted on 3/16/22 at 12:06 pm to Clames
quote:I skimmed through it, all it does is bust the energy vault stacked block system. It goes on to explain why pumped hydro is preferable, and certainly everyone would agree with that for areas with suitable terrain.
Heaven forbid you punish your poor few braincells while somebody with a PhD in physics explains something to you using very simple language. Willful ignorance is certainly something you are proud of.
But it in no way relates to this topic. OP's link isn't about pumped hydro, it's about collecting the potential energy of water on its way down a hill. Mother nature puts the water up there to begin with.
Posted on 3/16/22 at 12:07 pm to udtiger
quote:
how's the truck/tank gonna get back to the top of the mountain?
They will have a fleet of diesel powered 18 wheelers at the bottom of the hill to transport them back up
Posted on 3/16/22 at 12:09 pm to upgrayedd
quote:It is, but I don't think the suggestion is this should be a major source of energy. It would only be applicable in areas where water already flows of course, and where a dam isn't feasible or desirable for whatever reason.
This still seems like a really inefficient way to generate power
Posted on 3/16/22 at 12:10 pm to ccomeaux
quote:No it won't. The tons of water will only be coming down the hill, it won't be going back up.
It will take more energy to get the truck back up the hill than it will make coming down the hill.
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