Pratt & Whitney PW4000

PW4000
A PW4074 powering a Boeing 777 of All Nippon Airways
Type Turbofan
Manufacturer Pratt & Whitney
First run April 1984
Major applications Airbus A300
Airbus A310
Airbus A330
Boeing 747-400
Boeing 767
Boeing 777
Boeing KC-46
McDonnell Douglas MD-11
Produced 1986-present
Developed from Pratt & Whitney JT9D

The Pratt & Whitney PW4000 is a family of high-bypass turbofan aircraft engines with certified thrust ranging from 52,000 to 99,040 lbf (230 to 441 kN). Built as the successor to the JT9D series engines, it has found much wider application than its predecessor.

Design and development

The PW4000 is divided into three distinct families based on fan diameter.

The first family is the 94 inch (2.4 m) diameter fan with certified thrust ranging from 52,000 to 62,000 lbf (230 to 275 kN). It powers the Airbus A310-300, A300-600 aircraft, Boeing 747-400, 767-200/300, KC-46A, and McDonnell Douglas MD-11 aircraft and is certified for 180-minute ETOPS if used in twinjets. These models include the PW4052, PW4056, PW4060, PW4062, PW4062A, PW4152, PW4156A, PW4156, PW4158, PW4460, and PW4462.

A Pratt & Whitney PW4098 engine at the Steven F. Udvar-Hazy Center

The second family is the 100 inch (2.5 m) diameter fan engine developed specifically for Airbus Industrie's A330 twinjet. It has certified thrust from 64,500 to 68,600 lbf (287 to 305 kN). Models are numbered PW4164, PW4168, and PW4168A. The launch of the Advantage70 program was announced at the 2006 Farnborough Airshow with a sale to Kingfisher Airlines. This package increases certified thrust to 70,000 lbf (311 kN), reduces fuel burn by about 1%, and reduces maintenance costs by around 15%.

The third family is the 112 inch (2.8 m) diameter fan engine developed specifically for Boeing's 777 where it was the launch engine. Currently available on the 777-200ER, it has certified thrust from 86,760 to 99,040 lbf (386 to 441 kN). It entered service on June 7, 1995, with United Airlines, and was the first jet engine to enter service with 180-minute ETOPS certification. It was also an engine option for the 777-200 and -300.

The PW4000 features advanced technology materials and Full Authority Digital Engine Control (FADEC), for enhanced fuel economy and reliability, as well as the Technology for Advanced Low NOx (TALON) combustor.[1]

Variants

PW4000-94

Thrust range: 231–276 kN (52,000 lbf – 62,000 lbf)[2]

  • PW4052
  • PW4056
  • PW4060
  • PW4062
  • PW4062A
  • PW4152
  • PW4156A
  • PW4156
  • PW4158
  • PW4460
  • PW4462

PW4000-100

Thrust range: 287–311 kN (64,500 lbf – 70,000 lbf)[3]

  • PW4164
  • PW4168
  • PW4168A
  • PW4170

PW4000-112

A Pratt & Whitney PW4098 engine for advanced Boeing 777 models at Boeing's Future of Flight museum

Thrust range: 329–436 kN (74,000 lbf – 98,000 lbf)[4]

  • PW4074/74D
  • PW4077/77D
  • PW4084/84D
  • PW4090/90-3/90D
  • PW4098

Applications

A PW4062 on a United Boeing 747-400

Specifications

The PW4000 is produced in three distinct models, with differing LP systems to address different thrust needs.

PW4000-94

Data from [5]

General characteristics

  • Type: Two spool high bypass ratio Turbofan
  • Length: 153.6 in (12.80 ft; 3.90 m)
  • Diameter: 94 in (7.8 ft; 2.4 m) (fan)
  • Dry weight: 9,420 lbs (4,272 kg)

Components

  • Compressor: 1 stage fan, 4 stage low pressure compressor, 11 stage high pressure compressor
  • Combustors: Annular
  • Turbine: 2 stage high pressure turbine, 4 stage low pressure turbine

Performance


PW4000-100

Data from [6]

General characteristics

  • Type: Two spool high bypass ratio Turbofan
  • Length: 167.2 in (13.93 ft; 4.25 m)
  • Diameter: 100 in (8.3 ft; 2.5 m) (fan)
  • Dry weight: 12,900 lbs (5851 kg)

Components

  • Compressor: 1 stage fan, 5 stage low pressure compressor, 11 stage high pressure compressor
  • Combustors: Annular
  • Turbine: 2 stage high pressure turbine, 5 stage low pressure turbine

Performance


PW4000-112

Data from [7]

General characteristics

  • Type: Two spool high bypass ratio Turbofan
  • Length: 190.4 in (15.87 ft; 4.84 m)
  • Diameter: 112 in (9.3 ft; 2.8 m) (fan)
  • Dry weight: 15,095 lbs (6,847 kg) (PW4098: 16,260 lbs (7,375 kg))

Components

  • Compressor: 1 stage fan, 6 stage low pressure compressor (PW4098: 7 stage), 11 stage high pressure compressor
  • Combustors: Annular
  • Turbine: 2 stage high pressure turbine, 7 stage low pressure turbine

Performance

See also

Related development

Comparable engines

Related lists

References

  1. ↑ Jeff Schweitzer, Pratt & Whitney (14–17 July 2003). "Propulsion Technology Readiness for Next Generation Transport Systems". AIAA International Air and Space Symposium and Exposition. doi:10.2514/6.2003-2787.
  2. ↑ Pratt & Whitney. "PW4000-94". Retrieved 4 January 2010.
  3. ↑ Pratt & Whitney. "PW4000-100". Retrieved 10 April 2016.
  4. ↑ Pratt & Whitney. "PW4000-112". Retrieved 4 January 2010.
  5. ↑ http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/2a822313bea2157886257f060055beb1/$FILE/E24NE_Rev_13.pdf
  6. ↑ http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/c8bc3ec858c761a686257cf3006501e1/$FILE/E36NE_Rev_7.pdf
  7. ↑ http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/69c65e492f1588bd862579a00066f840/$FILE/E46NE%20Rev%208.pdf
  • Gunston, Bill (2006). World Encyclopedia of Aero Engines, 5th Edition. Phoenix Mill, Gloucestershire, England, UK: Sutton Publishing Limited. ISBN 0-7509-4479-X.

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