Rolls-Royce (R-R) has completed testing of the latest version of its new two-shaft engine core. Tests included operation of a lean burn combustion system in simulated bad weather during which the core, known as Core 3/2d, performed windmill re-lights in conditions equivalent to a tropical hailstorm. Emission and performance measurements and functional tests were also carried out. The tests, which are part of the engine company’s Efficiency, Environment, Economy (E3E) research ...

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