When build the first space elevator?




As you must know, the space elevator , which is fixed to the earth cable with a length of 100 000 kilometers, could eventually provide a simple, safe, inexpensive and quiet access to orbit . So many people think.

A few days ago there was another concept assessment collected under the title “Space elevators: technological feasibility assessment and the way forward.” The study was conducted by a number of experts from around the world under the auspices of the International Academy of Astronautics (IAA).

The final decision was twofold. space elevator possible, given the risk reduction due to technological progress, but … infrastructure space elevator can only be built with the assistance of serious international effort.

Cable, acting as a space elevator is to be used for transportation of goods, and thus people into space using electric vehicles – lifts that will travel back and forth at the speed of the train. Earth’s rotation would keep the cable taut and capable of supporting platforms.

Actually sort of “Beanstalk” rooted already gone far back in history. Many believe that the idea was still a pioneer Konstantin Tsiolkovsky, and the idea in the form of a thought experiment appeared in print in 1895. He proposed the creation of a free-standing tower, which would stretch from the Earth to geostationary orbit (35,786 kilometers).

Over the last century or so writers, scientists, engineers and other workers helped to clarify the subtleties of thought and practicality of a space elevator. A new study, according to the president of IAA Gopalan Madhavan Nair, marks an important milestone in the development of ideas.

“Without a doubt, all the space agencies of the world will applaud a detailed study that shows the new modes of transportation that can provide affordable and easy access to the geostationary orbit and beyond,” – wrote in the preface Nair research.

“Without a doubt, the Academy, thanks to this research will contribute to the development of international consensus and awareness of the need to find and develop new ways of transportation into space, preserving our universe as well as we are currently trying to save our planet.”

Actually, elevator

Although predicting the future is extremely difficult, lead study author Peter Swan told Space.com, that space elevators – it’s more than a sci-fi fiction. “The results of our study are encouraging,” – he said.

Swan’s vision is supported by a fun fact of life of Arthur C. Clarke, who said in 2003: “Space Elevator will be built in ten years after they stop laughing … and they stopped laughing!”.

Swan – chief engineer SouthWest Analytic Network in Arizona. Company focused on developing and teaching innovative approaches to the development of “new space.” Also he is the main operator of the International Space Elevator Consortium (SCLC), the organization which brought together members of the United States, Europe, Japan and other countries.

The purpose of SCLC – neither more nor less than the construction of a long space elevator.

“The question is when, of course – says Swan. – But the point is that technology is progressing in a positive manner, so those who work with us, believe that space elevators will be. ”

Seven-league steps technologies

Swan argues that laughter on the space elevator “significantly subsided,” thanks to the work carried out over the past ten years, individuals and whole groups. “Nevertheless, there are many, many problems, and I certainly do not claim that this project is simple.”

Rating IAA delves into a number of questions: why build a space elevator? Is this possible at all? How to collect all the items together and put together a system of systems? What are the technical capabilities of each of the main elements of a space elevator?

Two technologies are leaps and bounds in the direction of the space elevator, says Swan.

Production of superalloy outer cable and the other components made possible through the carbon nanotube, which is 1000 times stronger than steel, a strength to weight ratio. The good news is that carbon nanotubes are now being developed with the participation of the best experts in the field of nanotechnology, electronics, optics and materials, and billions of dollars.

Similarly is the case with solar panels, according to Swan.

“In this industry people behind the space elevator, and stare. We are not going to definitely include, but seeing her and appreciate the achievements. ”

Money, motivation and desire

With regard to the question of who will build a space elevator, Swan says the study reveals the details. This is primarily commercial enterprises not without state support, or public-private project, or else it will be fully state project.

“All three options are viable. Any one of them might work. It is a question of money, motivation and desire – says Swan. – It is possible, all three will be developed in parallel. ”

The Study Group was pleased about the future, even though he admits that many unresolved issues ahead. The overall assessment, 10 years on the development of ideas would be appropriate.
Abandon missile

Are there any technical, political or legal pad, which could interfere with the space elevator become a reality?

“You’re asking the wrong, – said Swan. – I’m an optimist. I believe that there are good people, motivate translate the idea into practice. I think space elevators will be in 2035, 2060 or even 2100. ”

Swan believes that common sense will eliminate the missiles, which cast 94% of the mass of the rocket another helipad.

“In order to fly in the air, we need a lot of money,” – he says.

Space elevator opens a real stairway to heaven. Soft trip this week you can reach geostationary orbit. There is no limitation in the size or shape of a payload.

“People will laugh and ask why we generally do space rockets … because it’s stupid. Space elevators completely solve the problem. Why do anything else? ”

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Tags: Future , Space elevator , Orbit .

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