1972-02-01

Maintainability of the Space Shuttle Orbiter Main Engine 720808

Previous large liquid-rocket engine check-out and maintenance operations were mostly manual, time consuming, and costly. Using Saturn experience and guided by airline practice, the Space Shuttle Orbiter Main Engine has been designed for rapid turnaround and simple, low-cost maintenance. A streamlined operational concept and the addition of specific design features for easy maintenance were the prime factors in this accomplishment.

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