This document includes the current basis for approval of ECPs, fatigue life after stress reduction, and other probability and comparative risk assessments. On the first page there is an inscription, "By E.L. Bombara NASA-MSFC."
Prior to acceptance of a liquid rocket engine for use in Saturn vehicles, the average thrust of two consecutive tests without an intervening calibration must satisfy specification requirements. The contractor may recalibrate after the first and subsequent tests if he so chooses, based upon decision limits, until the above requirement is met.