This causes the force that increases the linear speed of the car to be perpendicular to the cable, which means that the force will be the pressure exerted on the cable.
During the upward movement of the car, the cable has been giving him a pressure parallel to the ground, causing it to continuously increase its linear speed.
The kinetic energy provided by the cable is traded at the expense of the speed and height of the synchronous orbital station. In this way, it is difficult for the synchronous orbital station to remain stationary.
Therefore, the synchronous orbital station itself needs to carry fuel, or related propulsion devices, to constantly offset this force, so as to maintain its own height and not be dragged down.
Since the fuel needs to be replenished regularly, and the process of transporting the fuel also needs to consume huge energy, a better way is to carry the fuel by the car itself to provide power.
Thanks to the breakthrough in battery technology today, a battery weighing 300 kilograms can already meet the power consumption of the space elevator for one month.
Therefore, the consumption of related fuel and electricity is not very lacking. It is just that if the scale of the space elevator is expanded in the future, and the construction of an outer ring residential area that envelops the entire earth's atmosphere, it is not something that the battery power can solve. .
The second method is similar to a conventional elevator. The load at the other end can also be lowered by another car to increase its load.
This method does not require the car to provide tangential kinetic energy for itself, and directly descend from the other side of the car to provide kinetic energy for itself.
This principle is similar to that of an elevator, but this method strictly requires the weight to be balanced each time it lifts, and considering various resistances, the upper and lower cars should still carry their own air jets to offset the loss of mechanical energy.
"Actually, Master, let me make a comment on this kind of sky-defying engineering of the space elevator." Just at this time, Ye Fan's smart glasses sounded the voice of origin.
Origin itself is a smart life. From the moment it was designed and born by Ye Fan, it has been absorbing outside knowledge and growing.
However, limited by the computing power of a thousand quantum computers, the growth of Origin is not rapid, but it is also very scary.
When Ye Fanrang Yuanyuan evaluated the space elevator project, the big data deduced by Yuanyuan concluded that the space elevator project itself is-(minus) SSSS level.
In other words, the priority of this project can be ranked behind any existing plan and project.
"Well, what do you want to say?" Ye Fan nodded and asked.
"The space elevator has a budget of 3 trillion yuan, and it is still a conservative estimate. Such a high price absolutely exceeds the limit that Datang Technology can bear, and it is still a meaningless project."
Speaking of this, Origin directly showed a report made by himself on the smart glasses.
[About the feasibility and cost-effectiveness of the space elevator]
Master, let us jump out and think about the problem from another angle: what more valuable space projects can we do with the funds used to build the space elevator?
The synchronous orbit is as high as 36,000 kilometers, which is more than a hundred times the height of the International Space Station and three times the diameter of the earth. Regardless of the difficulty of construction and construction, simply make an estimate of the amount of work.
Assuming that the rope of carbon nanotubes is one meter and one ton, excluding counterweights and construction equipment, the rope alone weighs 36 million tons.
This is equivalent to three hundred and sixty 100,000-ton-class Ford aircraft carriers, which are nearly half the tonnage and weight of the floating city of our "South Tianmen" project, and nearly 180 200-ton-class space battleships." The tonnage of the "Jade Emperor Class" space battleship.
Master, please close your eyes and imagine at this time. If you have a fleet of 180 "Jade Emperor-class" space battleships in space, this interstellar fleet is arranged in a matrix with a 1919 lattice position. The huge hulls are separated by 300 meters, which can form a black blanket of steel of 3 kilometers 3 kilometers.
Your fleet empire commander is standing on the top of the universe city planned by the "South Sky Gate" in the array of cosmic battleships. He sees the huge dark steel ship lit with lights around you, extending to the depths of the universe. You will realize that you are no longer a fleet commander, but the head of an empire, and you have formed an interstellar civilization in space.
At this time, master, what do you plan to direct this interstellar civilization to do?
Obviously, you, as a head of state, a soul figure and great leader of a human alliance, you will not use such a huge fleet to build space elevators, but will open a team to mine on an asteroid, and part of it. Methane was collected on Titan, and part of it was driven to the nearest orbit to deploy a reflective array to build a new space city.
In other words, these 180 super space fleets can already form a self-sustaining, growing and reproducing industrial system. They no longer need to keep in touch with the earth.
For example, after discovering the New World hundreds of years ago, the Spaniards thought that they had to move dozens of cities to the Americas to support the operation of the colonies.
But in reality, it only takes a few thousand colonists to emigrate to the Americas, and these people can make tools, build cities, and have children on the New World.
And two hundred years later, American has grown into a giant hundreds of times stronger than Spain. During this period, there is basically no need for large-scale, continuous transportation support.
Like a new continent full of forests, the resources in space can be tens of thousands and hundreds of thousands times more than the earth.
The earth's resources are very barren~EbookFREE.me~, just like the minerals related to upgrading the ion engine, which need to be collected from the various large and small planets in the solar system.
In space, the transportation of objects mainly relies on inertia, and gravitational slingshots can also be used to borrow force. This force is much less laborious than transporting resources from the ground to space.
In space, the density of sunlight energy is twice that of the earth, and the closer you are to the sun, the energy can be said to be endless.
In the asteroid belt, on the moons of Jupiter and Saturn, there is neither a shortage of mineral resources nor carbon water resources.
And the space elevator did not produce any output during the construction period. If this cost is not shared equally by the country, there is no way to complete the construction at one time with our ability.
With the industrial level of our Datang Heavy Industries, the amount of money spent to build a "Jade Emperor" space battleship is 10 billion, and the total cost of 180 battleships is only 1.8 trillion.
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