Rolls-Royce's new 2.5-megawatt hybrid-electric propulsion system delivered more than a megawatt of power only a few weeks after its first tests.
The iconic British engineering firm is developing the Power Generation System 1 (PGS1) demonstrator powertrain to test the technology for clean aircraft of the future.
PGS1 is designed primarily for hybrid-electric planes and Rolls-Royce says it could be used in a "more-electric" system for larger aircraft allowing for a more practical transition into electric aviation, which is currently hindered by the limitations of battery technology. NASA's experimental all-electric X-57 light aircraft, for example, can only fly for 40 minutes at a time.
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