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06:23 AM, June 1, 2018
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AE1107C V-22 Osprey engine (Image: Rolls Royce)

Rolls-Royce has won $28 million modification contract to exercise an option for the procurement of 15 production AE1107C engines for the V-22 Osprey for the Marine Corps (7); Navy (6), and Air Force (2).

Work is expected to be completed in May 2019, US Department of Defense said in a statement Thursday.

The AE 1107C two-shaft axial design consists of a 14-stage compressor followed by an effusion-cooled annular combustor, a two-stage gas generator turbine and two-stage power turbine.

The engine features six stages of variable compressor vanes, dual FADECs, and a self-contained oil system that enables vertical operation. The engine features modular construction and maintenance is ‘on-condition’.

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