Modular manned space flight system.

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dwightlooi

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Modular manned space flight system.<br /><br />NASA should consider a modular manned space flight system is designed around easily combined modules designed for maximum flexibility. If it is up to me I’ll divide the modules into two categories – 8 ton standard modules and 24 ton heavy modules.<br /><br />Standard Modules:-<br /><br />(1) Crew launch and recovery module – 4-man capsule capable of launch escape and re-entry.<br />(2) Cargo and habitat module – habitable composite container for cargo or activity space.<br /><br />Heavy modules:-<br /><br />(1) Lunar transfer propulsions module – RP1/LOX fuel tanks and Aerojet AJAX engine.<br />(2) High capacity fuel tanks – RP1/LOX fuel tanks for long range explorations<br />(3) Long range exploration electric power module – radioactive or fuel cell electric power module <br /><br />Launch vehicles:-<br /><br />Delta IV medium (no solids): One standard module<br />Delta IV heavy: Three standard modules or one heavy module<br />Atlas V 502 (no solids): One standard module<br />Atlas V 542 (four solids): Two standard modules<br />5-segment shuttle SRB derivative: One standard module<br />100 ton capacity shuttle derivative heavy lift booster: four heavy modules<br /><br />In addition to the mission modules, there should also be two new upper stages. The first is a universal 5m upper stage that will be used to boost the modules into LEO atop the Delta IV, Atlas five or 5-segment shuttle derivative SRB. The second is a large 8.4 m diameter upper stage for the shuttle derivative heavy booster. The 5m upper stage uses one RL-60 engine whereas the 8.4m upper stage uses three RL-60 engines.<br /><br />Depending on the mission requirements, a space craft will either simply one or more modules, launched as a preassembled stack or assembled in orbit.<br />
 
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