Re-Engining the Harrier PUBLIC ACCESS

[+] Author Affiliations
John D. Cyrus

Naval Air Development Center, Warminster, PA

W. M. Vowles

Rolls Royce Ltd., Bristol, England

Paper No. 85-GT-175, pp. V001T01A002; 8 pages
  • ASME 1985 International Gas Turbine Conference and Exhibit
  • Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery
  • Houston, Texas, USA, March 18–21, 1985
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7938-2
  • Copyright © 1985 by ASME


During the last twenty-eight years the capabilities of the Harrier have improved markedly, due in large measure to advances in the Pegasus propulsion system. New engine models and component improvements with their increased performance and/or weight reductions have produced increased range and payload capability for the aircraft. Because the Harrier is likely to continue in use well into the next century, an engine-aircraft-mission study has been conducted to identify the potential benefits arising from replacing the existing Pegasus engine with an advanced technology engine. These studies have shown that thrust increases associated with increased technology can improve mission capability substantially; radius can be increased by as much as 50% on a mission with a vertical takeoff requirement. However, as takeoff constraints are relaxed, aircraft restraints limit the benefits of the advanced technology engines.

Copyright © 1985 by ASME
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