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The Pratt & Whitney Canada PW200 is a family of turboshaft engines developed specifically for helicopter applications. It entered service in the 1990s.
| PW200 | |
|---|---|
| Type | Turboshaft |
| National origin | Canada |
| Manufacturer | Pratt & Whitney Canada |
| Major applications | AgustaWestland AW109 Bell 429 Eurocopter EC135 MD Explorer Sikorsky S-76D |
| Number built | >5,400 [1] |
- PW205B
- First run 1987. Flown in twin-engine MBB BO105 for demonstration only.[2]
- PW206A
- Maximum continuous power 550 shp (410 kW) [3] for use on the MD Explorer
- PW206B
- Maximum continuous power 431 shp (321 kW),[3] for use on the Eurocopter EC135
- PW206B2
- Maximum continuous power 431 shp (321 kW).[3]
- PW206C
- Maximum continuous power 561 shp (418 kW),[3] for use on the Agusta A109 Power
- PW206E
- Maximum continuous power 572 shp (427 kW).[3] for use on the MD Explorer
- PW207C
- Maximum continuous power 572 shp (427 kW).[3]
- PW207D
- Maximum continuous power 572 shp (427 kW).[3]
- PW207D1
- Variant of the PW207 with increased mechanical power, maximum continuous power 610 shp (450 kW).[3]
- PW207D2
- Variant of the PW207D1 with a fuel heater installed, maximum continuous power 610 shp (450 kW).[3]
- PW207E
- Maximum continuous power 572 shp (427 kW).[3] for use on the MD 902
- PW209T
- Maximum continuous power 800 shp (600 kW). "Twin-pack" First run 1985, cancelled 1987. Intended for Bell TwinRanger[4]
- PW210
- Enhanced version of the PW200. Enhancements include; Lower fuel consumption, Dual Channel Full Authority Digital Engine Control (FADEC), Reduced environmental emissions and an Increase in power output ranging from 800 shp (600 kW) to 1,000 shp (750 kW)[5]
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General characteristics
- Type: Turboshaft
- Length: 35.9 in (91.2 cm)
- Diameter: 19.7 in (50 cm)
- Dry weight: 237 lb (107.5 kg)
Components
- Compressor: Single-stage centrifugal. PW210: Two-stage mixed flow and centrifugal
- Combustors: Annular
- Turbine: Single-stage high pressure turbine, single-stage power turbine. PW210: Two-stage power turbine
Performance
- Maximum power output: 561 shp (418 kW)
- Specific fuel consumption: 0.542 lb/hp-hr
- Power-to-weight ratio: 2.4 hp/lb (3.9 kW/kg)
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