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Originally posted by boncho
Originally posted by elevatedone
reply to post by boncho
Excellent question. I wonder what they'll do.
7.5 days to the top. So if it were stuck in the middle, you are looking at a few days to be stuck in the elevator. Of course the article doesn't mention much on the concept. Perhaps the elevator is large enough to sustain people for the delay.
Or perhaps the company is looking for some PR.
A six-car elevator, expected to travel at a speed of 200 km per hour, will be capable of loading 30 people and will take about 7.5 days to arrive at the orbital station.
The key concept of the space elevator appeared in 1895 when Russian scientist Konstantin Tsiolkovsky was inspired by the Eiffel Tower in Paris to consider a tower that reached all the way into space, built from the ground up to an altitude of 35,790 kilometers (22,238 mi) above sea level (geostationary orbit). He noted that a "celestial castle" at the top of such a spindle-shaped cable would have the "castle" orbiting Earth in a geostationary orbit (i.e. the castle would remain over the same spot on Earth's surface).
In 1979, space elevators were introduced to a broader audience with the simultaneous publication of Arthur C. Clarke's novel, The Fountains of Paradise, in which engineers construct a space elevator on top of a mountain peak in the fictional island country of Taprobane (loosely based on Sri Lanka, albeit moved south to the Equator),
Preparation for the cosmic launching
of a contemporary rocket requires
not one day, but more than one
month. Yes, of course, these are just
the first steps man is taking beyond
the limits of his own planet. Still, in the
future the construction of rockets will
not change in principle, and even in the
future the first stage of the flight of a
cosmic liner will be accompanied by the
furious effort of strained engines, by
the immense expendi ture of fuel , by
p r o t e c t i n g o f p a s s e n g e r s f r om h i g h
acceleration — which must be maximal in
order to escape more quickly from the
chains of Earth's gravity. Flight into the
cosmos with the help of a rocket will
never be like a
Well, what will happen if one fastens
such a “rope” to the Earth's equator
and, having flung it far into the cosmos,
one hangs on it an appropriate load?
Calculations show (any student of the
upper grades of middle school can work
t h e m o u t ) t h a t i f t h e “ r o p e ” i s
sufficiently long, then centrifugal force
will also pull it out, not letting it fall to
Earth, just like the stone stretches out
our string. Indeed, the Earth's force of
attraction lessens in proportion to the
square of the distance, and centrifugal
force grows with the increase in d i s t a n c e.
And already at a distance of about 42
thousand ki lometers centrifugal force turns
out to be equal to the force of gravity