At first glance, H-series engines look a lot like the Walter/Motorlet M601 powerplants from which they are derived. All engines in this family are two-shaft, reverse flow designs. The core, or NG section, features a two-stage axial and single-stage centrifugal compressor powered by a single-state high-pressure turbine. The annular combustor has no fuel nozzles but rather a fuel slinger that distributes fuel evenly. The propulsion, or NP, section is powered by a single-stage, low-pressure ...

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