Encyclopedia Astronautica
1968.01.13 - Plans to static-fire the Apollo SPS

ASPO Manager George M. Low outlined for the NASA Apollo Program Director MSC plans to static-fire the service propulsion system (SPS) as a complete unit.

Houston officials maintained that at least one firing of such a complete system was necessary to prove the adequacy of all SPS manufacturing, assembly, and testing. However, because of several potential adverse effects that might accrue to testing the first such available system (that for the 101 SM), MSC proposed to test-fire the 102 unit and interpret those results - including any possible damage to the SM structure itself - before making a final decision on whether to proceed with a ground firing of the actual flight hardware before flight.

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