Honeywell TPE331

The Honeywell TPE331 (military designation: T76) is a turboprop engine. It was designed in the 1950s by Garrett AiResearch, and produced since 1999 by successor Honeywell Aerospace. The engine's power output ranges from 575 to 1,650 shaft horsepower (429 to 1,230 kW).[2][3][4]

TPE331 / T76
TPE331-14
Type Turboprop
National origin United States
Manufacturer Garrett AiResearch
Honeywell Aerospace
First run 1960
Major applications Fairchild Swearingen Metroliner
Mitsubishi MU-2
Rockwell Turbo Commander
Number built 13,500+[1]
Developed into Garrett TPF351

Design and development

Garrett AiResearch designed the TPE331 from scratch in 1959 for the military.[5] “Designed as a 575-horsepower engine it was not a scaled-down version of a larger engine, as competitors were offering.”[6] The TPE331 originated in 1961 as a gas turbine (the "331") to power helicopters.[6] It first went into production in 1963.[7] More than 700 had been shipped by the end of 1973.[6] It was designed to be both a turboshaft (TSE331)[8] and a turboprop (TPE331), but the turboshaft version never went into production. The first engine was produced in 1963, installed on the Aero Commander in 1964 and put into production on the Aero Commander Turbo Commander in June 1965.

Performance

The 715 shp TPE331-6 used in the Beech King Air B100 have a 400-hr. fuel nozzle cleaning interval, 1,800-hr. hot section inspection interval and a 5,400-hr. time between overhaul; approval is possible for 3,000-hr. HSIs and 6,000-hr. overhauls and engine reserves are cheaper than for the PT6A.[9]

Variants

Military variants (T76)
T76-G-2
T76-G-4
T76-G-6
T76-G-8
T76-G-10
T76-G-12
T76-G-12A
T76-G-14
T76-G-16
T76-G-410
T76-G-411
T76-G-416
T76-G-417
T76-G-418
T76-G-419
T76-G-420
T76-G-421

Commercial variants (TPE331)
US FAA TC Variants
Model Certified[lower-alpha 1]
TPE331-1 1967-12[14]
TPE331-1U
TPE331-1UA
TPE331-2 1967-12[14]
TPE331-2U
TPE331-2UA
TPE331-3 1969-03-28
TPE331-3U 1969-03-28
TPE331-3UW 1969-03-28
TPE331-3W 1969-03-28
TPE331-5[lower-alpha 2] 1970-05-15
TPE331-5A 1988-05-04
TPE331-5AB 1992-07-21
TPE331-5B 1992-07-21
TPE331-5U 1970-05-15
TPE331-6[lower-alpha 3] 1970-05-15
TPE331-6A 1978-01-20
TPE331-6U 1970-05-15
TPE331-8[lower-alpha 4] 1976-11-19
TPE331-8A 1981-12-24
TPE331-9 1976-11-19
TPE331-9U 1976-11-19
TPE331-10 1978-01-20
TPE331-10A 1980-12-12
TPE331-10AV 1996-07-19
TPE331-10B 1980-12-12
TPE331-10G 1984-08-14
TPE331-10GP 1994-12-14
TPE331-10GR 1984-08-14
TPE331-10GT 1994-12-14
TPE331-10J 1988-05-04
TPE331-10N 1992-02-06
TPE331-10P 1994-12-14
TPE331-10R 1982-06-25
TPE331-10T 1994-04-14
TPE331-10U 1978-01-20
TPE331-10UA 1982-07-29
TPE331-10UF 1982-06-25
TPE331-10UG 1984-08-14
TPE331-10UGR 1984-08-14
TPE331-10UJ 1988-05-04
TPE331-10UK 1988-11-04
TPE331-10UR 1983-11-14
TPE331-11U 1979-09-28
TPE331-11UA 1982-06-25
TPE331-12 1984-12-19
TPE331-12B[lower-alpha 5] 1986-12-10
TPE331-12JR 1997-10-31
TPE331-12UA 1988-05-04
TPE331-12UAN 2014-05-09
TPE331-12UAR 1987-12-18
TPE331-12UER 1991-07-22
TPE331-12UHR 1993-01-07
TSE331-3U[lower-alpha 6] 1970-04-30
TPE331-14A 1984-04-26
TPE331-14B 1984-04-26
TPE331-14F 1989-05-24
TPE331-14GR 1992-07-13
TPE331-14HR 1992-07-13
TPE331-15AW 1988-12-05
TPE331-16[lower-alpha 7] N/A
TPE331-25A
TPE331-25AA
TPE331-25AB
TPE331-25B
TPE331-25C
TPE331-25D
TPE331-25DA
TPE331-25DB
TPE331-25E
TPE331-25F
TPE331-25FA
TPE331-29A
TPE331-43
TPE331-43-A
TPE331-43-B
TPE331-45
TPE331-47 [lower-alpha 8]
TPE331-47-A
TPE331-47-B
TPE331-51
TPE331-55
TPE331-55-A
TPE331-55-B
TPE331-57
TPE331-57-B
TPE331-61
TPE331-61-A
  1. Dates from FAA type certificates E4WE[10] (TPE331 model series 3, 5, 6, 8, 9, 10, 11, and 12) and E18NE[11] (series 14 and 15). No certification date information available from type certificates E3WE[12] (series 1 and 2) and E2WE[13] (series 25, 29, 43, 45, 47, 51, 55, 57, and 61).
  2. Powered the Rockwell Aero Commander Turbo Commander 690, CASA 212-100, Mitsubishi MU-2N, and Dornier 228.[15]
  3. Powered the Mitsubishi MU-2S/K/L/M and Beech B-100.[15]
  4. Powered the Cessna Conquest 441.[16]
  5. Powered the Shorts Tucano trainer aircraft and the CASA 212-400 regional airliner.[17]
  6. Used on the Sikorsky S-55 military helicopter.[18]
  7. Renamed to TPF351-20 in early 1988.[19] Was the rear-fuselage powerplant for the Embraer/FMA CBA 123 Vector. Flown on a Boeing 720 testbed aircraft and Vector prototype starting in July 1990. Development of the aircraft and engine suspended in 1992, when the engine was nine months from certification.[20]
  8. Entered service on the Volpar Super Turbo 18 in February 1966.[21]

Applications

Fitted with TPE-331s as a replacement for their original engines

Specifications
Cutaway view of a TPE-331

General characteristics

  • Type: Single-shaft turboprop with integral gearbox
  • Length: 46 inches (1,200 mm) (TPE331-43A),[7] 42.82 in (1,088 mm) (TPE331-10)[22]
  • Diameter: 21 inches (530 mm) (TPE331-43A)[7]
  • Dry weight: 336 lb (152 kg) (TPE331-43A),[7] 385 lb (175 kg) (TPE331-10)[22]

Components

Performance

See also

Comparable engines

Related lists

References
  1. Brecken, Steve (July 2016). "Honeywell Continues to Hone Turboprop Engine for 50th Anniversary" (Press release). Phoenix, Arizona: Honeywell Aerospace. Archived from the original on 2019-07-04.
  2. "TPE331 Spec Chart". Honeywell Aerospace. Archived from the original (PDF) on 2014-09-03. Retrieved 2014-08-29.
  3. "TPE". Products & Services. Honeywell Aerospace. Archived from the original on 2010-09-08.
  4. "TPE331-14 Turboprop Engine" (PDF). Honeywell Aerospace. 2006-07-10. Archived from the original (PDF) on 2014-09-03. Retrieved 2014-08-29.
  5. "TPE331 Engines Offers Super Performance on Dornier 228 Aircraft" (Press release). Phoenix, Arizona: Honeywell Aerospace. 2017-04-11.
  6. Schoneberger, William A.; Scholl, Robert R. H. (1985). Out of Thin Air: Garrett's First 50 Years. Garrett Corporation. pp. 153, 174–175, 203. ISBN 9780961702908.
  7. "Garrett TPE331". Collection. Canadian Museum of Flight. Archived from the original on 2019-07-04.
  8. Wilkinson, Paul H. (1964). Aircraft engines of the World 1964/65 (20th ed.). London: Sir Isaac Pitman & Sons Ltd. p. 43.
  9. George, Fred (2017-01-30). "Used Aircraft Report: Beech King Air B100". Business & Commercial Aviation. Aviation Week Network.
  10. Honeywell (AlliedSignal, Garrett, AiResearch) (May 22, 2014). E4WE. Federal Aviation Administration (FAA) (Report). Type Certificate Data Sheet (34 ed.).{{cite report}}: CS1 maint: multiple names: authors list (link)
  11. Honeywell (AlliedSignal, Garrett) (February 1, 2000). E18NE. Federal Aviation Administration (FAA) (Report). Type Certificate Data Sheet (9 ed.).
  12. Honeywell (AlliedSignal, Garrett, AiResearch) (February 1, 2000). E3WE. Federal Aviation Administration (FAA) (Report). Type Certificate Data Sheet (8 ed.).{{cite report}}: CS1 maint: multiple names: authors list (link)
  13. Honeywell (AlliedSignal, Garrett, AiResearch) (February 1, 2000). E2WE. Federal Aviation Administration (FAA) (Report). Type Certificate Data Sheet (8 ed.).{{cite report}}: CS1 maint: multiple names: authors list (link)
  14. Leyes & Fleming 1999, p. 648.
  15. Leyes & Fleming 1999, p. 652.
  16. Leyes & Fleming 1999, p. 653.
  17. Leyes & Fleming 1999, p. 656.
  18. Leyes & Fleming 1999, p. 661.
  19. "Garrett engine is redesignated". Regional Airline Report. Airline Executive. February 1988. p. 12. ISSN 0278-6702.
  20. Leyes & Fleming 1999, pp. 710–711.
  21. Leyes & Fleming 1999, p. 645.
  22. "TPE331-10 Turboprop Engine" (PDF). Honeywell Aerospace. April 2006. Archived from the original (PDF) on 2012-07-19.

Bibliography
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