Pratt & Whitney Canada's PW100 engine family is a series of 2,000 to 5,000 horsepower (1,500 to 3,700 kW) turboprops manufactured by Pratt and Whitney's Canadian subsidiary. The engine first entered service in 1984.
Design
The PW100 uses a relatively unusual three-shaft engine configuration. In the PW100, a centrifugal LP impeller (except for the PW150 which uses a 3-stage axial LP compressor), driven by a single stage LP turbine, supercharges a centrifugal HP impeller, driven by a single stage HP turbine. Power is delivered to the offset propeller reduction gearbox via a third shaft, connected to a 2-stage free (power) turbine. Other engines with this basic configuration include the Rolls-Royce Gem and the Europrop TP400-D6.
Variants
- PW115
- No longer in service.[1] Used on the Embraer EMB 120 Brasilia.
- PW118
- Certified in 1986 with a maximum continuous rating of 1892eshp (1411kW), can be converted to a PW118A.[1]
- PW118A
- Certified in 1987 with a maximum continuous rating of 1893eshp (1412kW), can be converted to a PW118B.[1]
- PW118B
- Certified in 1996 with a maximum continuous rating of 1892eshp (1412kW).[1]
- PW119
- No longer in service.[1]
- PW119A
- Certified in 1992 with a maximum continuous rating of 1948eshp (1453kW), can be converted to a PW119B.[1]
- PW119B
- Certified in 1993 with a maximum continuous rating of 1941eshp (1448kW), can be converted to a PW119C.[1]
- PW119C
- Certified in 1995 with a maximum continuous rating of 1941eshp (1448kW), can be converted to a PW119B.[1]
- PW120
- Certified in 1983 with a maximum continuous rating of 1787eshp (1333kW), can be converted to a PW121.[1]
- PW120A
- Certified in 1984 with a maximum continuous rating of 1892eshp (1411kW), can be converted to a PW121.[1]
- PW121
- Certified in 1987 with a maximum continuous rating of 2044eshp (1524kW), can be converted to a PW120.[1]
- PW121A
- Certified in 1995 with a maximum continuous rating of 1992eshp (1465kW).[1]
- PW123
- Certified in 1987 with a maximum continuous rating of 2261eshp (1687kW), can be converted to a PW123B, C, D or E.[1]
- PW123AF
- Certified in 1989 with a maximum continuous rating of 2261eshp (1686kW), can be converted to PW123.[1]
- PW123B
- Certified in 1991 with a maximum continuous rating of 2262eshp (1687kW), can be converted to a PW123.[1]
- PW123C
- Certified in 1994 with a maximum continuous rating of 2054eshp (1532kW), can be converted to a PW123 or D.[1]
- PW123D
- Certified in 1994 with a maximum continuous rating of 2054eshp (1532kW), can be converted to a PW123 or C.[1]
- PW123E
- Certified in 1995 with a maximum continuous rating of 2261eshp (1687kW), can be converted to a PW123.[1]
- PW124
- No longer in service.[1]
- PW124A
- No longer in service.[1]
- PW124B
- Certified in 1988 with a maximum continuous rating of 2522eshp (1881kW), can be converted to a PW123 or PW127.[1]
- PW125
- No longer in service.[1]
- PW125A
- No longer in service.[1]
- PW125B
- Certified in 1987 with a maximum continuous rating of 2261eshp (1687kW).[1]
- PW126
- Certified in 1987 with a maximum continuous rating of 2323eshp (1732kW) can be converted to a PW123 or PW126A.[1]
- PW126A
- Certified in 1989 with a maximum continuous rating of 2493eshp (1859kW), can be converted to a PW123 or PW127D.[1]
- PW127
- Certified in 1992 with a maximum continuous rating of 2619eshp (1953kW), can be converted to a PW127C,E or F.[1]
- PW127A
- Certified in 1992 with a maximum continuous rating of 2620eshp (1954kW), can be converted to a PW127B.[1]
- PW127B
- Certified in 1992 with a maximum continuous rating of 2619eshp (1953kW).[1]
- PW127C
- Certified in 1992 with a maximum continuous rating of 2880eshp (2148kW).[1]
- PW127D
- Certified in 1993 with a maximum continuous rating of 2880eshp (2148kW), can be converted to a PW127B.[1]
- PW127E
- Certified in 1994 with a maximum continuous rating of 2516eshp (1876kW), can be converted to a PW127M.[1]
- PW127F
- Certified in 1996 with a maximum continuous rating of 2619eshp (1953kW), can be converted to a PW127M.[1]
- PW127G
- Certified in 1997 with a maximum continuous rating of 3058eshp (2281kW).[1]
- PW127H
- Certified in 1998 with a maximum continuous rating of 2880eshp (2148kW).[1]
- PW127J
- Certified in 1999 with a maximum continuous rating of 2880eshp (2148kW).[1]
- PW127M
- Certified in 2007 with a maximum continuous rating of 2619eshp (1953kW).[1]
Applications
Aircraft
A PW120A fitted to a Canadian Forces CT-142
Other applications
References
External links
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