General characteristics
Type: Turboprop
Length:
Diameter:
Dry weight: 929 pounds Weight with accessories and fluid 1064 pounds(2)
Components
Compressor: LP and HP independent centrifugal compressors(2). PW150 LP compressor is three-stage axial.
Combustors: Annular reverse flow combustion chamber(2)
Turbine: Axial flow: single-stage HP; single-stage LP; the power turbine has two stages on all PW100 variants, and three stages on the PW150.
Fuel type: JET A
Oil system: Self-contained system(2)
Performance
Maximum power output: pw120 takeoff 1800shp Rto 2000shp pw121 takeoff 1900shp Rto 2100shp pw124 takeoff 2160shp Rto 2400shp pw127 takeoff 2475shp Rto 2750shp (Rto=Reserve takeoff power)(shp=shaft horsepower)(2)
Turbine inlet temperature: max ITT for Reserve takeoff power 816c Start 950c 5 seconds(2)
