WebThe best chemical rockets, like NASA's Space Shuttle main engine, max out at around 450 seconds, which means a pound of fuel will produce a pound of thrust for 450 seconds. A nuclear or positron reactor can make … WebOn August 6, a meeting of shuttle managers brought a decision to drop all partially-reusable systems as well. With this, both Lockheed’s Star Clipper and McDonnell Douglas’s Tip Tank were out. This decision meant that …

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WebMar 24, 1998 · All the early Space Shuttle concepts in the late 1960's through the summer of 1971 were fully reusable with fly back liquid rocket boosters 2, 3 which were piloted. These fully reusable boosters and the two stage fully reusable Space Shuttle concepts were eliminated from the program primarily due to development cost reasons, and a two … Web51K subscribers in the ImaginaryStarships community. Paintings and drawings featuring spaceships, rockets, space stations, and all other spacefaring… During the early shuttle studies, there was a debate over the optimal shuttle design that best-balanced capability, development cost, and operational cost. Initially, a fully reusable design was preferred. This involved a very large winged manned booster which would carry a smaller winged manned orbiter. The booster vehicle would lift the orbiter to a certain altitude and speed, then separate. The booster would return and land horizontally, while the orbiter continued into low Ea… charity bins shepparton