The Exploration of SpaceTemple Press, 1951 - 198 pagini |
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Pagina 24
... rocket , then a speed equal to that of the exhaust will be reached . If the ratio is 6.4 to 1 , the rocket can travel twice as fast as its exhaust : if 19 to 1 , three times as fast , and so on . It follows , therefore , that the rocket ...
... rocket , then a speed equal to that of the exhaust will be reached . If the ratio is 6.4 to 1 , the rocket can travel twice as fast as its exhaust : if 19 to 1 , three times as fast , and so on . It follows , therefore , that the rocket ...
Pagina 25
... Rocket Figure 6 shows , schematically , the two basic types of rocket . It will be seen that the liquid - propellant type must carry not only the fuel but , in addition , the oxygen to burn it with , stored in a second tank . ( Solid ...
... Rocket Figure 6 shows , schematically , the two basic types of rocket . It will be seen that the liquid - propellant type must carry not only the fuel but , in addition , the oxygen to burn it with , stored in a second tank . ( Solid ...
Pagina 27
... rocket's final velocity to about 70 per cent . of its theoretical value , but in the case of large spaceships there ... Rocket Speeds ROCKET REACHES 3 TIMES EXHAUST SPEED ROCKET REACHES EXHAUST SPEED EMPTY WEIGHT FUEL WEIGHT ROCKET ...
... rocket's final velocity to about 70 per cent . of its theoretical value , but in the case of large spaceships there ... Rocket Speeds ROCKET REACHES 3 TIMES EXHAUST SPEED ROCKET REACHES EXHAUST SPEED EMPTY WEIGHT FUEL WEIGHT ROCKET ...
Cuprins
THE SHAPING OF THE DREAM | 1 |
THE EARTH AND ITS NEIGHBOURS | 9 |
THE ROCKET | 17 |
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able acceleration actual already appear astronautics astronomers atmosphere atomic become body build carry certainly Chapter close completely consider considerable course deal developed difficult direction discovered discuss distance Earth effect energy escape exist exploration extremely fact fall field Figure fuel give given gravity greater heat human hundred idea imagine important impossible increase interesting interplanetary involved journey known landing least less light limit live look lunar Mars material matter means miles minutes Moon motors necessary never observed once orbit oxygen perhaps period planets Plate possible practical present pressure probably problem produce purely radio reach reason relatively remain rocket round satellite scientific seems seen ship shown simple Solar space spaceship speed stars stations structure surface telescope temperature thousand Universe velocity Venus weight whole