Extended S.S.I. Plan with Pure Self-Reproduction Assumptions This plan follows the extended S.S.I. plan with the following modifications. 1. The manufacturing facilities are assumed to be advanced enough to reproduce themselves purely from lunar materials. Therefore, the mass driver reaction engine must carry only one space manufacturing facility, one lunar manufacturing facility, and the mass catcher to complete the space manufacturing facility with a throughput of 3xl05 t/yr. Other equipment still required is discussed later. 2. Equipment is reliable enough that no men are required in space. 3. Habitats are not provided at the space manufacturing facility and lunar manufacturing facility, so the masses of the first ones are 58 t and 25 t respectively. Scheduling Objects carried by the space shuttle to low earth orbit are Only one trip of the lunar transfer vehicle is required, for which the fuel mass is 561. Since each shuttle flight carries 301 to low earth orbit, are required. Since the mass driver reaction engine takes 5 months to travel from low earth orbit to L2 and one month more to low lunar orbit, it requires
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