2285. Propulsion Weights in Conceptual and Preliminary Design

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Title2285. Propulsion Weights in Conceptual and Preliminary Design
Publication TypeConference Paper
Paper Number2285
Year of Publication1995
AuthorsGarcia, D. F.
Paper Category17. WEIGHT ENGINEERING - PROCEDURES
Conference54th Annual Conference, Huntsville, Alabama, May 22-24
Conference LocationHuntsville, Alabama
PublisherSociety of Allied Weight Engineers, Inc.
Date Published5/22/95
Abstract

The subject of propulsion weight seems to be more in the forefront of today?s military programs. The F-119 and JAST/ASTOVL propulsion programs are keenly attentive to the subject of propulsion weight and what it means to weapon system success. Propulsion weight engineering in conceptual and preliminary design describes a process by which engineers at Pratt & Whitney support the design and management teams from the conceptual through the proposal phase. The subject matter of the paper is divided into three phases, the conceptual design phase, the preliminary design phase, and lastly the proposal phase. The conceptual design discussion is concerned with early cycle trades, deck generation, flow path analysis, technology suite decisions, and first order quantification of weights, mass properties analysis, reporting of weight, and the start of the weight closure process. The preliminary design section includes the completion of trade studies, target weights, preliminary design weights, detail weight statement formats, weight analysis refinements, and final implementation of the weight closure process. The third and final section is concerned with the proposal phase of weight support. The material discussed here includes establishing the proposal weight section elements, the presentation format, the development of a mass properties control and management plan, and a functional discipline plan to organize the activity of the weight effort from contract award to completion.

Pages11
Key Words17. Weight Engineering - Procedures
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