Abstract
In earlier papers, the authors presented a theoretical Monte Carlo analysis of thrust imbalance for the pair of large solid rocket motors (SRM's) firing in parallel during the launch of the Space Shuttle. The present paper gives further evidence of the validity of the analysis. Test results from the Space Shuttle program and comparisons of these with the Monte Carlo analysis are presented. The test results are examined in three phases: 1) pairs of SRM's selected from static tests of the four developmental motors, 2) pairs of SRM's selected from static tests of the three quality assurance motors, and 3) the first flight-test results. Possible inaccuracies in evaluation of thrust imbalance due to flight-test instrumentation are discussed. General agreement of theory and test results is shown which supports the present Monte Carlo prediction of thrust imbalance for future Space Shuttle SRM pairs.
Published Version
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