On the other hand, She had warts.
Bill Shell
Convince a fool against their will you’ve nothing but a fool still
Bill Shells : MOM
Thinking of the big erector set gravity thing. I was thinking of a grandfather clock.
just to keep the clock running takes some fairly heavy weights and that is just a clock. running a city using weights like this gravity clump of goo
look at the size of weights in the clock. compare them to the size needed to run a city. What is wrong with this concept? beside the fact that the bridge is too small to hold the weight load from the start. speaking from experience. I am a Crane Operator and an Engineer. and have built several Cranes to boot. Plus one big wind will blow the man down.
Have you ever seen a 200 foot fur tree get up rooted by the wind?
Mostly I don’t talk about other people projects. but what a goofy idea. ( really)
One more little item to the Gravity energy fault.
Energy get back per size. 746 watts = 1 horse power that is 33,000 lbs. dropping 1 ft. in 1 hr.
I seen a gas power generator 9500 watts for sale. I wonder?
How does that compare to the weight of 1 - 200 ton battle ship dropping 1 ft. in 1 hr. that’s 400,000 / 33,000 = 12.12 hp. this is the weight of a battle ship = 9042 watts per hr. output.
the gas generator puts out just a little more for a lot less than the cost of a battle ship. Is gravity really the best chose? I wonder?
You’re just not getting it.
In very simple terms What part of Gravity is Energy?
Potential
…9 10 11 12 13 14 15
I see: So The potential of infinity up to 15 is the simple term of gravity energy.
now I got it unlike before where I didn’t get it.
Thank you so much, it makes so much more sense then what all Science says.
That Gravity is not Energy.
You asked for Simple, and I needed 20 characters.
Ok: let us go back to the pumped storage hydroelectricity.
To pump the water up takes 120 percent power
When the water is turned back into usable power it is at around 20 percent power return. 100 percent is lost in this type of storage.
What this means is 120 watts storage gets back 20 watts.
Water turbans are not that efficient. But with Dams Rain is free. so it does not matter.
Even with Dams large fly wheels were used to store kinetic energy for high use power times.
Storing power for wind or solar use with these types of systems is a waist.
But Energy needs to be waisted. that is why it is so hi priced. its just passed off to you. Good Idea.
20 characters plus it is easy
The second part of gravity not being Energy named be Science
There are two planets each are drawn to each other by gravity.
The potential Energy makes the kinetic energy like the earth gravity make the water that is the potential - once the water is moving it becomes kinetic energy.
now it the whole planet is the gravity: what is the potential energy.
Something does not make sense to the Science view of gravity not being Energy
Gravity is not kinetic energy, nor is it magnetic energy, it is potential energy.
The planets are not drawn to each other. They are both following the spacetime curvature created by the mass of the other planet planet
In effect they are falling into each other’s gravitational spacetime wells.
IMO, the wells extend much further out than is illustrated. Without a spacetime warp there is no gravitational effect. Only the centrifugal force keeps the moon from falling straight toward the earth and the earth toward the sun.
Energy Vault creates gravity and kinetic energy-based, long-duration energy storage solutions that are transforming the world’s approach to energy storage.
You think?
Gravity storage. Sounds great in theory.
What could go wrong?
Call me speechless:
Guess it’ll be interesting seeing how it pans out in the coming years.
Audacious that’s for sure.
In essence, isn’t that how Grandfather clocks or Cuckoo clocks get their energy?
We pull the chain to lift the weights and gravity pulls the weights back down, transferring that energy into the mechanism of the clock.
In a sense.
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The above gravity sytem seems inefficient and ugly. I’d hate to see a landscape with a forest of those contraptions.
However, gravity can be used by storing water at elevated basins and create enormous hydrobatteries with potential gravitational kinetic energy of the water itself.
PHES (pumped hydro energy storage)
A review of pumped hydro energy storage
Water is conveyed from the water intake to the turbine and returned to the river through use of tunnels or pipes (‘penstocks’), sometimes augmented with aqueducts. The pipe/tunnel must withstand large pressures. Depending on local geology, geography and the head, tunnels are sometimes partially or fully lined with concrete or steel.
The turbine spins in response to flow of high-pressure water. The turbine is attached to the generator which spins to produce electricity, which is sent to the switchyard for voltage transformation and transmission to distant loads. The turbine and generator are housed in the powerhouse, which can be underground. Multiple pipes are typically used to deliver water to multiple turbines within the powerhouse.
In pumped hydroelectricity storage systems, the turbine can become a pump: instead of the generator producing electricity, electricity can be supplied to the generator which causes the generator and turbine to spin in the reverse direction and pump water from a lower to an upper reservoir. Sometimes the pump and the turbine are separate items of equipment, but more commonly they are combined.
5. Pumped hydro energy storage
5.1. Conventional river-based PHES
Many existing PHES systems have been developed in conjunction with a conventional river-based hydroelectric system. Two reservoirs are created, at different altitudes, but close to each other (figure 9). Often, the lower reservoir is large and located on a substantial river, while the upper reservoir is smaller, and located higher up on the same river or in a high tributary or parallel valley. Most river water passes through the system, generating electricity, and then flows on down the river. Some water is cycled between the two reservoirs to create energy storage. Typically, pumping would take place by buying electricity during times when prices are low, which is when demand is low or the availability of electricity from other sources is high (e.g. a windy and sunny day). Generation would take place during times of high demand (such as during evenings) when prices are high. This pattern of buy-low and sell-high is called arbitrage.
Figure 9. Tumut 3 on-river hydroelectric system (Snowy Hydro Ltd). Reproduced with permission from Snowy Hydro Ltd.
6. Off-river (closed loop) pumped hydro systems
6.1. Off-river PHES
Nearly all existing pumped hydro systems are river-based. In many places, there is substantial environmental and social opposition to damming or modifying more rivers. However, there are alternative methods of constructing PHES that do not require significant modification to river systems. One method is to connect closely spaced existing reservoirs using underground tunnels and powerhouses. With care, there is low disturbance at the surface. One example is the 2 Gigawatt, 350 Gigawatt-hour, Snowy 2.0 system currently under construction underground in the World Heritage Kosciuszko National Park in Australia [11].
There is large scope for off-river (closed loop) PHES systems that are located away from any significant river. Most land is not near a river, and so a survey of potential pumped hydro sites that is confined to rivers will miss most potential sites.
An off-river PHES system (figure 10) comprises a pair of artificial reservoirs spaced several kilometers apart, located at different altitudes, and connected with a combination of aqueducts, pipes and tunnels. The reservoirs can be specially constructed (‘greenfield’) or can utilise old mining sites or existing reservoirs (‘brownfield’). Off-river PHES utilises conventional hydroelectric technology for construction of reservoirs, tunnels, pipes, powerhouse, electromechanical equipment, control systems, switchyard and transmission, but in a novel configuration.
Figure 10. Google Earth synthetic image of a Gigawatt-rated off-river PHES site at Presenzano in Italy, showing the two reservoirs (upper right and lower left) with a head of 500 m (vertical scale exaggerated). Map data ©2021 Google.
https://iopscience.iop.org/article/10.1088/2516-1083/abeb5b#prgeabeb5bs6
ShieldSquare Captcha
My initial reaction was that if you need to use electricity to generate electricity you don’t gain much except as storage .
But a lake surface can be used to collect solar energy via floating solar panels providing additional pumping power for a closed system.
The original invetsment would be expensive , but a closed system can operate with very little maintenance for many years at practically no cost at all.
It is storing solar energy for generating gravity fed energy via hydro turbines that can be used for both purposes as generator and as pump.
An additional benefit might be that just rain can be used to top off the water in both the upper and lower reservoirs.
As the article indicates old mountain mines might be useable if they are high enough or low enough to be vertically separated and create a gravity fed system.