SPECIFIC CONSTRUCTION TASKS William V McRae, Jr., Rockwell International 3322 Soutn Memorial Parkway Huntsville, Alabama 35801 System and subsystem elements are defined as to modular sizes and masses within the constraints of manufacturability and earth launch vehicle payload dimensional limits, therefore, construction processes and equipments must be designed to accommodate these elements. Examples of some SPS hardware are depicted in Table 1. The elements shown comprise approximately 72% of the overall satellite mass. (Addition of the high-density klystrons to the masses shown would account for almost 95% of the estimated operational satellite mass). Table 1. Cargo Packaging The construction tasks, when defined and combined into an integrated schedule, establish a timeline for construction mass flow demands. These demands must be satisfied by the space transportation systems, i.e. a traffic model will have to be established as a function of time and hardware elements. An example of satellite construction demands and HLLV delivery capabilities is shown in Figure 2. In the presentation, specific construction tasks will be discussed to illustrate how these demands are developed.
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