Space Travel: A HistoryHarper & Row, 1985 - 308 pagini |
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Pagina 43
... velocity it must carry an immense store of fuel . Thus , to reach the first cosmic velocity [ his term for orbital velocity ] , 8 km / sec , the weight of the fuel must exceed that of the whole rocket ( payload included ) by at least ...
... velocity it must carry an immense store of fuel . Thus , to reach the first cosmic velocity [ his term for orbital velocity ] , 8 km / sec , the weight of the fuel must exceed that of the whole rocket ( payload included ) by at least ...
Pagina 50
... velocity of 4,470 feet per second . The liquid oxygen weighed 31 pounds , gasoline weighed 24 pounds , and the rocket weight was 225 pounds . Attained thrust of 623.5 pounds for 4 seconds . Exhaust velocity was 4,340 feet per second ...
... velocity of 4,470 feet per second . The liquid oxygen weighed 31 pounds , gasoline weighed 24 pounds , and the rocket weight was 225 pounds . Attained thrust of 623.5 pounds for 4 seconds . Exhaust velocity was 4,340 feet per second ...
Pagina 98
... Velocity ( inches ) ( pounds ) ( miles ) ( mph ) Propulsion Little Joe 11.34 22.7 1,210 1.5 400 solid sustainer and booster Lark 18.5 18 2,000 4 600 liquid sustainer , solid booster The result was a retro - firing bomb whose rocket ...
... Velocity ( inches ) ( pounds ) ( miles ) ( mph ) Propulsion Little Joe 11.34 22.7 1,210 1.5 400 solid sustainer and booster Lark 18.5 18 2,000 4 600 liquid sustainer , solid booster The result was a retro - firing bomb whose rocket ...
Cuprins
A THOUSAND YEARS OF ROCKETRY | 22 |
PIONEERS OF SPACE TRAVEL | 40 |
THE LEGACY OF THE PIONEERS | 60 |
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Termeni și expresii frecvente
aboard Aeronautics Air Force aircraft airplane altitude American Apollo Apollo 11 April Army astronauts Astronomy atmosphere August became boosters Braun British camera carried carrier Center Columbia command craft crew designed developed diameter docking Earth experiments exploration feet long fired flight tests flown fuel Gemini German Goddard Hermann Oberth ICBM inches interplanetary July Jupiter Kennedy Space Center landing later launcher liquid oxygen lunar maneuvering Mars ment miles per hour military mission module Moon motor NASA National Navy Oberth October operational orbit parachute payload Peenemünde pilot planets planned pounds of thrust propellant propulsion range re-entry rocket engines rocketry Russians Salyut satellite Saturn Saturn 1B scientists shuttle Skylab solid-propellant sounding rockets Soviet Soyuz space flight space station space travel spacecraft Spacelab Sputnik stage surface tank target tion Tsiolkovsky United unmanned velocity Viking voyage weapon weighed Wernher von Braun World York
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