Pratt & Whitney Canada PW500

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Pratt & Whitney Canada PW500 - Wikipedia

From Wikipedia, the free encyclopedia

PW500

Cutaway showing the configuration : 1 fan, 2A+1C HP compressor, 1 HP and 2 LP turbine
Type	Turbofan
National origin	Canada
Manufacturer	Pratt & Whitney Canada
First run	November 1993^[1]
Major applications	Cessna Citation II Bravo Cessna Citation V Encore Cessna 560XL Embraer Phenom 300 MQ-20 Avenger
Number built	4,600 (May 2023)^[2]

The Pratt & Whitney Canada PW500 is a series of medium thrust turbofan engines designed specifically for business jet applications.

Design

The PW530 has a single stage fan, driven by a 2-stage LP turbine, supercharging a 2A/1CF axial-centrifugal HP compressor, driven by a single stage HP turbine. Although similar in configuration, the PW535 has a booster stage, mounted on the LP shaft behind the fan, to increase overall pressure ratio and core flow. Similar to the PW535, the PW545 has an additional LP turbine stage to drive a larger diameter fan.

Development

The PW530A, rated at 2,887 lbf (12.84 kN), entered service in February 1997 on the Cessna Citation II Bravo, and the PW545 in July 1998 on the Cessna Citation Excel. The PW535 powered the Cessna Citation V Encore in September 2000, and was selected for the Embraer Phenom 300, first delivered in December 2009.

On 31 January 2020, Embraer announced improvements to its Phenom 300, including increased speeds and upgraded engines.^[3] The engines, designated PW535E1, are rated at 3,478 lbf (15.47 kN)/^[4]

Unveiled at the May 2023 EBACE show, the FADEC-controlled PW545D is developed for the Cessna 560XL Ascend variant, to be rated at 4,200 lbf (19 kN) and optimized for improved fuel burn and longer time between overhauls (TBO) up to 6,000 hours.^[2] By then, 4,600 PW500s had been produced and had flown 22 million hours.^[2]

Applications

Application	Variant
Cessna Citation II Bravo	PW530A
Cessna Citation V Encore	PW535A
Cessna Citation V Encore+	PW535B
Embraer Phenom 300	PW535E
Cessna 560XL Excel	PW545A
Scaled Composites 437 Vanguard	PW535A^[5]^[6]
Cessna 560XL XLS	PW545B
General Atomics MQ-20 Avenger	PW545B
Cessna 560XL XLS+	PW545C
Cessna 560XL Ascend	PW545D

Specifications

	PW530	PW535A	PW545A	PW545B	PW545C
Thrust (lb/kN)	2,887/12.84	3,400/15.12	3,804/16.92	3,952/17.58	4,119/18.32
TSFC (lb/lbf/h)^[7]	0.44		0.44
Bypass ratio	~3.7	2.55	4.10	3.8	4.12
Overall pressure ratio	~13.3	13.3		11.7	12.5
Overall Length (in)	60.0	63.9	68.6
Fan Diameter (in)	23.0	28.2	27.3
Application	Citation Bravo	Citation Encore	Citation Excel	Citation XLS	Citation XLS+

References

^ "Bridging the gap". Flight Global. 24 May 1995.
^ ^a ^b ^c Guy Norris (May 22, 2023). "Pratt Unveils Advanced PW545D Derivative For Citation Ascend". Aviation Week.
^ "Embraer Unveils Speedier, Improved Phenom 300". Aviation Week & Space Technology. 31 January 2020.
^ Embraer Phenom 300 (accessed 4 February 2020)
^ "Scaled Composites conducts first Model 437 aircraft flight". www.compositesworld.com. 2024-09-06. Retrieved 2024-09-13.
^ "Model 437 Vanguard Loyal Wingman military aircraft makes maiden flight". New Atlas. 2024-08-30. Retrieved 2024-09-13.
^ "SmallEngines Summary". Archived from the original on 31 July 2009. Retrieved 11 June 2009.

External links

Wikimedia Commons has media related to Pratt & Whitney Canada PW500.

External image
Cutaway diagram of PW545

Official website

v t e Pratt & Whitney Canada (PWC) aircraft engines and United Aircraft of Canada (UAC) aircraft
Turbojets	J60/JT12
Turbofans	JT15D JT25D PW300 PW500 PW600 PW800
Turboprops/Turboshafts	PT6 PT6T PW100 PW150 PW200
Auxiliary power units	PW900
Aircraft	CH-124 Sea King
See also: Pratt & Whitney aircraft engines

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