327. Structural Non-Optimum Factors in Big Booster Design


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C R Liebermann: 327. Structural Non-Optimum Factors in Big Booster Design. 1962.



This paper was presented at the Twenty-first Annual National Conference of the Society of Aeronautical Weight Engineers at Seattle, Washington, May 14-17, 1962. Beginning with the preliminary phases of a booster design and throughout the detailed design phases, a vigorous weight control program is required. Weight Control is more than just a clerical recording job. It involves weight prediction and optimization in addition to suggesting and implementing weight-saving ideas. Effective weight control will significantly contribute to overall vehicle performance. It is accomplished by applying a good working knowledge of those factors which create weight.
This paper discusses in detail the factors which influence the weight prediction and optimization of liquid booster tankage – and illustrates their order of magnitude. Order of magnitude is termed the Non-Optimum Factor and is the ratio of the true weight contribution of a given factor to that predicted by theory. Total booster tankage non0optimum factors of two to four are known to exist. The significance of this order of magnitude is readily evaluated in terms of velocity loss.


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