The Exploration of SpaceHarper, 1959 - 200 pagini |
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Pagina 25
... fuel has been burned . * The newer type of rocket , of which V - 2 was the first large ex- ample , is considerably ... fuel supply . Figure 5 shows , schematically , the two basic types of rocket . It will be seen that the liquid ...
... fuel has been burned . * The newer type of rocket , of which V - 2 was the first large ex- ample , is considerably ... fuel supply . Figure 5 shows , schematically , the two basic types of rocket . It will be seen that the liquid ...
Pagina 27
... FUEL WEIGHT FUEL WEIGHT 6.6 1.72 FUEL WEIGHT Figure 6 is an attempt to show in diagrammatic form the effect of a rocket's fuel - weight to empty - weight ratio on its performance . In each case the empty - weight has been assumed to be ...
... FUEL WEIGHT FUEL WEIGHT 6.6 1.72 FUEL WEIGHT Figure 6 is an attempt to show in diagrammatic form the effect of a rocket's fuel - weight to empty - weight ratio on its performance . In each case the empty - weight has been assumed to be ...
Pagina 76
... fuel . On the other hand , it is more than likely that the first spaceships to land on the Moon would do so with very slim fuel reserves , and might only be able to reach orbital velocity . In the case of the Moon , this is 3,700 mph ...
... fuel . On the other hand , it is more than likely that the first spaceships to land on the Moon would do so with very slim fuel reserves , and might only be able to reach orbital velocity . In the case of the Moon , this is 3,700 mph ...
Cuprins
The Shaping of the Dream | 1 |
Navigation and Communication in Space | 78 |
1 | 118 |
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acceleration airless asteroids astronautics astronomers atmosphere body bricks build carry certainly Chapter chemical completely course crew diameter difficult distance Earth energy engineering enormous escape velocity exploration extremely fact Figure free orbit fuel Galaxy gases gravitational field gravity heat hundred hydrogen imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing LEWIS CARROLL light light-years lunar Mars and Venus Martian means Mercury meteors miles million minutes missiles Moon Moon's motors never normal observed orbit oxygen payload perhaps planetary Plate Pluto possible pounds pressure probably problem produce propellant propulsion Proxima Centauri R. A. Smith radar radiation radio reach reason refueling rocket power satellite Saturn scientific ship Solar System space space-flight space-stations space-suits space-travel spaceship speed spinning stars stations structure sunlight surface take-off tanks telescope temperature thousand thrust trolley Uranus vehicle voyage weight weightless