The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 38
... motors , a payload of 110 pounds could be sent into an orbit round the Earth . The rocket would be a three- step one with a total weight of 150 tons , the first step being powered by a group of seven V.2 motors . ( In addition , a large ...
... motors , a payload of 110 pounds could be sent into an orbit round the Earth . The rocket would be a three- step one with a total weight of 150 tons , the first step being powered by a group of seven V.2 motors . ( In addition , a large ...
Pagina 60
... motors in the other . Although many alternative layouts are possible , this " dumb- bell " arrangement has certain advantages . From the engineering point of view , the sphere is the shape which lends itself most readily to ...
... motors in the other . Although many alternative layouts are possible , this " dumb- bell " arrangement has certain advantages . From the engineering point of view , the sphere is the shape which lends itself most readily to ...
Pagina 75
... motors are aimed at the Moon . Using the rockets to produce a deceleration of one gravity , a speed of fall of 5,000 m.p.h. could be checked in four minutes , during which time the ship would cover a distance of a hundred and sixty ...
... motors are aimed at the Moon . Using the rockets to produce a deceleration of one gravity , a speed of fall of 5,000 m.p.h. could be checked in four minutes , during which time the ship would cover a distance of a hundred and sixty ...
Cuprins
THE SHAPING OF THE DREAM | 1 |
Automatic Rocket Surveying Mars | 4 |
THE EARTH AND ITS NEIGHBOURS | 9 |
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acceleration already astronautics astronomers atmosphere atomic rockets body bricks British Astronomical Association build carry certainly Chapter chemical completely course crew degrees F difficult direction distance Earth energy enormous escape velocity exploration extremely fact Figure free orbit fuel Galaxy gravitational field gravity heat Hermann Oberth hundred miles idea imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing light light-years lunar Mars and Venus Martian means Mercury meteors minutes missile Moon Moon's motors never observed oxygen payload perhaps planetary planets Pluto possible pounds pressure pressurised probably problem produce propellant propulsion Proxima Centauri R. A. Smith radar radiation radio reach reason refuelling return to Earth rocket power satellite Saturn scientific ship Solar System space space-flight space-station space-suits space-travel spaceship speed spinning stars stations surface take-off telescope temperature terrestrial thousand thrust trolley Uranus voyage weight