Air Turbine Start System for the Next Generation of Large Commercial Aerospace Engines
Date Published: 1994-10-01
Paper Number:942106
DOI: 10.4271/942106
Citation:
Krochmalny, A., Roussel, A., and Smith, A., "Air Turbine Start System for the Next Generation of Large Commercial Aerospace Engines," SAE Technical Paper 942106, 1994, doi:10.4271/942106.
Author(s):
Andy Krochmalny - AlliedSignal Inc.
Alain Roussel - SNECMA
Alan Smith - GE Aircraft Engines
Abstract:
The criterion for the GE-90 engine, including all controls and accessories, was to achieve a robust design with Early ETOPs certification. The start requirements of this engine dictated a starter in the 310Kw/1440N-m range that would fit in a 33-cm long by 25-cm wide envelope and weigh less than 24.5 Kg. These requirements made it necessary to develop a new start system for this application. A multi-company Integrated Product Development (IPD) team was formed to identify reliability drivers and develop design improvements. The team achieved the program's objectives and pioneered many new features to meet the goals.
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