The Exploration of SpaceHarper, 1951 - 199 pagini |
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Pagina 25
... fuel supply . FUEL OXIDISER PAY LOAD MOTOR PUMP CONTROL COMPARTMENT LIQUID Figure 6. The Two Types of Rocket Figure 6 shows , schematically , the two basic types of rocket . It will be seen that the liquid - propellant type must carry ...
... fuel supply . FUEL OXIDISER PAY LOAD MOTOR PUMP CONTROL COMPARTMENT LIQUID Figure 6. The Two Types of Rocket Figure 6 shows , schematically , the two basic types of rocket . It will be seen that the liquid - propellant type must carry ...
Pagina 27
... FUEL WEIGHT 6.4 1.72 FUEL WEIGHT 19 Figure 7 is an attempt to show in diagrammatic form the effect of a rocket's fuel - weight to empty - weight ratio on its perform- ance . In each case the empty - weight has been assumed to be the ...
... FUEL WEIGHT 6.4 1.72 FUEL WEIGHT 19 Figure 7 is an attempt to show in diagrammatic form the effect of a rocket's fuel - weight to empty - weight ratio on its perform- ance . In each case the empty - weight has been assumed to be the ...
Pagina 77
... 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 m.p.h. ...
... 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 m.p.h. ...
Cuprins
The Shaping of the Dream | 1 |
The Earth and Its Neighbours | 7 |
The Rocket | 17 |
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acceleration already asteroids astronautics astronomers atmosphere body bricks 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 giant gravitational field gravity heat Hermann Oberth hundred miles idea imagine important interplanetary flight interplanetary travel interstellar ionosphere journey Jupiter landing light light-years lunar Mare Imbrium Mars and Venus Martian means Mercury meteors million 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 tion trolley Uranus voyage weight