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Historical Roots of Jet Engine Manufacturing in New England 6 UMass Donahue Institute According to iMarket Inc.’s MarketPlace data, regional strength in this industry. Equally critical, the aircraft engine and engine parts industry employed more than 11,000 people in twenty Massachusetts firms in the first quarter of 1999. Massachusetts industry employment represented about 9 percent of total U.S. jet engine and engine parts employment, and the state is currently second only to Connecticut in its concentration of aircraft engine manufacturing employment. In early 1999, Connecticut had close to 16,000 jobs across 95 es- tablishments in this sector. The New England re- gion as a whole was home to 128 firms employing 33,675 people, representing 27.8 percent of total U.S. aircraft engine manufacturing employment. How did New England become home to this con- centration of firms? When examining high-tech manufacturing indus- tries like building jet engines, observers often have a tendency to highlight the centrality of a scientific skill base to regional competitive advantage. Cer- tainly, the science-based disciplines an organiza- tion must master to manufacture aircraft gas tur- bine engines is impressive: thermodynamics, aero- dynamics, heat transfer, combustion, structures, materials, and instrumentation and controls.9 A strong scientific infrastructure is indeed crucial to however, is the ability to develop and continually improve upon manufacturing processes, compe- tencies often taken for granted by economists but whose existence requires significant technological and organizational investments. What makes an aircraft engine a “complex prod- uct” is that it is made up of thousands of closely fitted parts that are subject to extreme operating conditions, the interactions of which may be un- predictable or difficult to model. As a result, the link between prototyping capabilities and design work is a close one. This link ties the ability to ar- rive at workable innovations in design to the availability of precision production skill. More- over, manufacturing processes in the industry in- volve fabricating parts from specialty materials to extremely precise tolerances. The very same prop- erties of these materials (e.g., strength, hardness) that make them desirable for the application at hand also make them difficult to work with. In many ways, then, the ability of scientists and de- sign engineers in the aircraft engine industry to come up with ways to improve product perfor- mance has been constrained by the practical solu- tion of manufacturing challenges.PDF Image | JET ENGINE MANUFACTURING IN NEW ENGLAND
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