UR-700 Universal Rocket

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the ur-700 vladimir chelomei s heavy-lift entry soviet moonshot. meant carry cosmonauts moon on direct ascent mission in lk-1 lunar craft. sergei korolyov s n1 booster , soyuz 7k-l3 / lk lander chosen instead mission, , never left drawing board.


superficially, ur-700 of well-known design of soviet launchers central core stack , lateral strap-on boosters. 1 distinguishing feature engines of first stage cross-fed fuel , oxidizer tanks of strap-on boosters during initial flight phase. meant when boosters spent , jettisoned, central stack still flew full tanks, reducing dead weight , increasing possible payload.







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