On-Line Computer Program for Estimating Powered-Rocket Performance

by D. C. Kephart

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User's manual and program listing for BOOST, a quick-response, interactive JOSS program that simulates the powered flight performance of multistage booster rockets. BOOST is tailored for minimum make-ready and fast turnaround to aid planners and analysts in synthesizing new rocket configurations and in exploring variants on existing designs. BOOST "flies" a zero-lift two-dimensional powered trajectory over a spherical nonrotating earth. Coasting stages, earth rotation effects, and the postboost vacuum ballistic trajectory associated with any set of rocket burnout conditions are available as options. Velocity losses due to gravity, aerodynamic drag, and atmosphere/nozzle interaction are considered. The rocket may be earth- or platform-launched into space or the atmosphere, or to the surface. Appendixes include a summary chart of the JOSS language.

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