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Conversion of the AE 1107C From the V-22 Osprey Application to Marine Service

[+] Author Affiliations
Zechariah D. Green, Paul G. Jones

Rolls-Royce Marine North America, Inc., Indianapolis, IN

Sean Padfield

Rolls-Royce Corporation, Indianapolis, IN

Andrew F. Barrett

Rolls-Royce Marine North America, Inc., Annapolis, MD

Paper No. GT2013-94922, pp. V05AT22A004; 7 pages
  • ASME Turbo Expo 2013: Turbine Technical Conference and Exposition
  • Volume 5A: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines
  • San Antonio, Texas, USA, June 3–7, 2013
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-5519-5
  • Copyright © 2013 by Rolls-Royce Marine North America Inc.


This paper presents a study on the conversion of the Rolls-Royce AE 1107C V-22 Osprey gas turbine engine into the MT7 Ship-to-Shore Connector (SSC) marine gas turbine engine. The US Navy led SSC design requires a propulsion and lift gas turbine rated at 5,230 shaft horsepower, which the AE 1107C variant MT7 is capable of providing with margin on power and specific fuel consumption. The MT7 leverages the AE family of engines to provide a propulsion and lift engine solution for the SSC craft. Extensive testing and analysis completed during the AE 1107C development program aided in the robust gas turbine design required to meet the needs of the SSC program. Requirements not met by the AE 1107C configuration were achieved with designs based on the AE family of engines and marine grade sub-system designs. Despite the fact that system integration and testing remain as key activities for integrating the MT7 with the SSC craft, conversion of the AE 1107C FAA certified engine into an American Bureau of Shipping Naval Vessel Rules Type Approved MT7 engine provides a low technical risk alternative for the demanding requirements of the SSC application.

Copyright © 2013 by Rolls-Royce Marine North America Inc.



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