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Lycoming IO-390

October 18, 2023

The Lycoming IO-390 engine is a horizontally opposed, four-cylinder aircraft engine, manufactured by Lycoming Engines.[1][2]

IO-390
Type Piston aero-engine
National origin United States
Manufacturer Lycoming Engines
First run 2002
Major applications Cirrus SR20
Tecnam P2010
Produced 2009–present
Developed from Lycoming IO-360
Lycoming IO-580

There is no carburetted version of the engine, which would have been designated O-390 and therefore the base model is the IO-390.[1][2]

Design and development Edit

The engine was originally conceived in the 1970s as the IO-400-X, but the project was never pursued.[3]

The IO-390 family of engines, which Lycoming refers to as the IO-390-X, produce 200 hp (149 kW) to 215 hp (160 kW). The IO-390 was developed from the similar IO-360 engine, by using cylinders from the IO-580[citation needed] to increase the O-360's cylinder bore. (Although the IO-390 cylinder assembly[4] is not the same part number as the IO-580,[5] the cylinder barrels of both have a 5.318 bore and 4.375 stroke dimension.)

It features a tuned induction system, roller tappets and Slick Start ignition. The engine has a fuel injection system which meters fuel in proportion to the induction airflow with fuel vaporization taking place at the intake ports. The engine has a displacement of 390 cubic inches (6.39 litres). The cylinders have air-cooled heads.[1][2][3]

The IO-390 was first introduced at AirVenture 2002. It has a factory recommended TBO of 2000 hours and requires a dynafocal engine mount.[2][3]

The IO-390 was initially marketed through Lycoming's custom engine subsidiary, Thunderbolt Engines, prior to the engine's certification and was at that time only available for installation on non-certified aircraft. The IO-390 was certified on 30 March 2009 to FAR 33.[1][2][3][6]

In January 2009 the base price of the IO-390-EXP version was USD$32,650.00.[7]

In November 2009 Lycoming announced that it had obtained an FAA Supplemental Type Certificate to replace the originally fitted Lycoming O-360 engines in the Mooney M20E, M20F and M20J with a new or remanufactured IO-390-A3A6 engine.[8] Also on November 12, 2009 Commander Aircraft received an STC for its model 112B using the MTV-12-B/188-59b propeller.[9]

Variants Edit

IO-390 models Edit

IO-390-X
Four-cylinder, fuel-injected, horizontally opposed, air-cooled direct drive, 390 cubic inches (6.39 litres), 210 hp (157 kW) at 2700 rpm, dry weight 308 lb (140 kg), The "X" designation is a generic indicator for all engines in the family.[1][2]
IO-390-EXP
Four-cylinder, fuel-injected, horizontally opposed, air-cooled direct drive, 390 cubic inches (6.39 litres), 210 hp (157 kW) at 2700 rpm, dry weight 308 lb (140 kg), non-certified engine for experimental aircraft assembled by Lycoming's Thunderbolt division.[10]
IO-390-A1A6
The initial certified version: four-cylinder, fuel-injected, horizontally opposed, air-cooled direct drive, 390 cubic inches (6.39 litres), 210 hp (157 kW) at 2700 rpm. This model includes provisions for a single-action controllable-pitch propeller. Certified 30 March 2009.[3][6]
IO-390-A1B6
Certified version: four-cylinder, fuel-injected, horizontally opposed, air-cooled direct drive, 390 cubic inches (6.39 litres), 210 hp (157 kW) at 2700 rpm. Same as the A1A6, except that the propeller governor is located on left front of crankcase. Certified 21 January 2010.[6]
IO-390-A3A6
Certified version: four-cylinder, fuel-injected, horizontally opposed, air-cooled direct drive, 390 cubic inches (6.39 litres), 210 hp (157 kW) at 2700 rpm. This model includes provisions for a single-action controllable-pitch propeller. This model is similar to the A1A6 but has its propeller flange bushings reindexed. Certified 27 August 2009.[6]
IO-390-A3B6
Certified version: four-cylinder, fuel-injected, horizontally opposed, air-cooled direct drive, 390 cubic inches (6.39 litres), 210 hp (157 kW) at 2700 rpm. Same as the A3A6 except that the propeller governor is located on left front of the crankcase. Certified 5 April 2012.[6]
IO-390-C1A6
Certified version: four-cylinder, fuel-injected, horizontally opposed, air-cooled direct drive, 390 cubic inches (6.39 litres), 215 hp (160 kW) at 2700 rpm. This model is similar to the IO-390-A1A6, except with a lightweight oil sump, cold air induction housing, tuned intake pipes and an RSA-10 fuel injector. Certified 25 January 2016.[6]
IO-390-C1B6
Certified version: four-cylinder, fuel-injected, horizontally opposed, air-cooled direct drive, 390 cubic inches (6.39 litres), 215 hp (160 kW) at 2700 rpm. This model is the same as the C1A6, except that the propeller governor is located on left front of the crankcase. Certified 25 January 2016.[6]
IO-390-C3A6
Certified version: four-cylinder, fuel-injected, horizontally opposed, air-cooled direct drive, 390 cubic inches (6.39 litres), 215 hp (160 kW) at 2700 rpm. This model is the same as the C1A6, except that the propeller flange bushings are reindexed. Certified 25 January 2016.[6]
IO-390-C3B6
Certified four-cylinder, fuel-injected, horizontally opposed, air-cooled direct drive, 390 cubic inches (6.39 litres), 215 hp (160 kW) at 2,700 rpm, dry weight 296 lb (134 kg). This model is the same as the C3A6, except that the propeller governor is located on left front of the crankcase. Used on Cirrus SR20 G6.[6][11]

AEIO-390 models Edit

AEIO-390-A1A6
Certified version: aerobatic, four-cylinder, fuel-injected, horizontally opposed, air-cooled direct drive, 390 cubic inches (6.39 litres), 210 hp (157 kW) at 2700 rpm. This model is the same as IO-390-A1A6, except that it is equipped with an inverted oil system kit for aerobatic flight. Certified 5 April 2012.[6]
AEIO-390-A1B6
Certified version: aerobatic, four-cylinder, fuel-injected, horizontally opposed, air-cooled direct drive, 390 cubic inches (6.39 litres), 210 hp (157 kW) at 2700 rpm. This model is the same as IO-390-A1B6, except that it is equipped with an inverted oil system kit for aerobatic flight. Certified 5 April 2012.[6]
AEIO-390-A3A6
Certified version: aerobatic, four-cylinder, fuel-injected, horizontally opposed, air-cooled direct drive, 390 cubic inches (6.39 litres), 210 hp (157 kW) at 2700 rpm. This model is the same as IO-390-A3A6, except that it is equipped with an inverted oil system kit for aerobatic flight. Certified 5 April 2012.[6]
AEIO-390-A3B6
Certified version: aerobatic, four-cylinder, fuel-injected, horizontally opposed, air-cooled direct drive, 390 cubic inches (6.39 litres), 210 hp (157 kW) at 2700 rpm. This model is the same as IO-390-A3B6, except that it is equipped with an inverted oil system kit for aerobatic flight. Certified 5 April 2012.[6]

Applications Edit

 
Van's Aircraft RV-8s have been fitted with the IO-390 engine
Amateur-built aircraft
 
The Mooney M20J can have an IO-390-A3A6 installed under an STC
 
Aura Aero Integral R
Certified aircraft
Military Aircraft

Specifications (IO-390-A1A6) Edit

Data from Lycoming Specialty Datasheet[2] & Type Certificate Data Sheet[6]

General characteristics

  • Type: 4-cylinder fuel-injected horizontally opposed aircraft engine
  • Bore: 5.319 in (135.1 mm)
  • Stroke: 4.375 in (111.1 mm)
  • Displacement: 389 cu in (6.37 L)
  • Length: 30.70 in (780 mm)
  • Width: 34.25 in (870 mm)
  • Height: 19.35 in (491 mm)
  • Dry weight: 308 lb (139.71 kg) dry

Components

  • Fuel system: fuel-injection
  • Fuel type: 100LL avgas
  • Cooling system: air-cooled

Performance

  • Power output: 210 hp (160 kW) at 2700 rpm
  • Compression ratio: 8.9:1
  • Fuel consumption: 11.1 gallons per hour (42 liters per hour; 9.2 imperial gallons per hour) at 65 percent power
  • Power-to-weight ratio: 0.68 hp/lb (1.12 kW/kg)

See also Edit

References Edit

  1. ^ a b c d e Lycoming Engines (n.d.). . Archived from the original on 21 March 2012. Retrieved 2009-01-07.
  2. ^ a b c d e f g Lycoming Engines (2004). (PDF). Archived from the original (PDF) on 26 May 2012. Retrieved 2008-12-20.
  3. ^ a b c d e f g h i j k l Lycoming Engines (2008). . Archived from the original on 13 February 2012. Retrieved 2009-01-07.
  4. ^ "IO-390-A Series Engine Illustrated Parts Catalog" (pdf). Lycoming. p. 25. Retrieved 2022-07-21. Part number 16A26081, Cylinder and Head Assembly, Nitrided
  5. ^ "IO-580-B1A Parts Catalog" (pdf). Lycoming. p. 3-3. Retrieved 2022-07-21. Part Number 16A22887, Cylinder Assembly
  6. ^ a b c d e f g h i j k l m n Federal Aviation Administration (25 January 2017). (PDF). Archived from the original (PDF) on 2 February 2017. Retrieved 29 January 2017.
  7. ^ Lycoming Engines (January 2009). . Archived from the original on 14 July 2011. Retrieved 2009-01-06.
  8. ^ a b Grady, Mary (November 2009). "Lycoming Gets IO-390 STC For Legacy Mooneys". Retrieved 2009-11-15.
  9. ^ Federal Aviation Administration (12 November 2009). "Supplemental Type Certificate, STC Number: SA00291BO". Retrieved 30 March 2014.
  10. ^ . 22 March 2012. Archived from the original on 2012-03-22.
  11. ^ Aircraft, Cirrus. "Cirrus Aircraft | SR20". cirrusaircraft.com. Retrieved 2017-01-30.
  12. ^ Dye, Paul (25 July 2022). "Van's on Top". KitPlanes. Archived from the original on 26 July 2022. Retrieved 29 July 2022.
  13. ^ Grady, Mary (July 2009). "Cessna News Update: ASTM Compliance For SkyCatcher". Retrieved 2009-07-28.
  14. ^ a b Burnside, Joseph E. (Jeb) (July 2009). "Lycoming: Bringing More Technology To An Airplane Near You". Retrieved 2009-07-28.
  15. ^ . January 2017. Archived from the original on 27 March 2017. Retrieved 2017-01-04.
  16. ^ Grady, Mary (4 January 2017). "Cirrus Updates SR22 And SR20". AVweb. from the original on 7 October 2020. Retrieved 6 January 2017.
  17. ^ AVweb Editorial Staff (August 2008). "AVwebFlash Complete Issue: Volume 14, Number 31e". Retrieved 2008-08-01.
  18. ^ "P2010 P Twenty-Ten - Tecnam". tecnam.com. Retrieved 7 April 2019.
  19. ^ Aero-News Network (February 2009). "Lancair To Provide Colombian Air Force With Training Aircraft". Retrieved 31 July 2010.

External links Edit

  • Official website

October 18, 2023
lycoming, engine, horizontally, opposed, four, cylinder, aircraft, engine, manufactured, lycoming, engines, 390type, piston, aero, enginenational, origin, united, statesmanufacturer, lycoming, enginesfirst, 2002major, applications, cirrus, sr20tecnam, p2010pro. The Lycoming IO 390 engine is a horizontally opposed four cylinder aircraft engine manufactured by Lycoming Engines 1 2 IO 390Type Piston aero engineNational origin United StatesManufacturer Lycoming EnginesFirst run 2002Major applications Cirrus SR20Tecnam P2010Produced 2009 presentDeveloped from Lycoming IO 360Lycoming IO 580There is no carburetted version of the engine which would have been designated O 390 and therefore the base model is the IO 390 1 2 Contents 1 Design and development 2 Variants 2 1 IO 390 models 2 2 AEIO 390 models 3 Applications 4 Specifications IO 390 A1A6 4 1 General characteristics 4 2 Components 4 3 Performance 5 See also 6 References 7 External linksDesign and development EditThe engine was originally conceived in the 1970s as the IO 400 X but the project was never pursued 3 The IO 390 family of engines which Lycoming refers to as the IO 390 X produce 200 hp 149 kW to 215 hp 160 kW The IO 390 was developed from the similar IO 360 engine by using cylinders from the IO 580 citation needed to increase the O 360 s cylinder bore Although the IO 390 cylinder assembly 4 is not the same part number as the IO 580 5 the cylinder barrels of both have a 5 318 bore and 4 375 stroke dimension It features a tuned induction system roller tappets and Slick Start ignition The engine has a fuel injection system which meters fuel in proportion to the induction airflow with fuel vaporization taking place at the intake ports The engine has a displacement of 390 cubic inches 6 39 litres The cylinders have air cooled heads 1 2 3 The IO 390 was first introduced at AirVenture 2002 It has a factory recommended TBO of 2000 hours and requires a dynafocal engine mount 2 3 The IO 390 was initially marketed through Lycoming s custom engine subsidiary Thunderbolt Engines prior to the engine s certification and was at that time only available for installation on non certified aircraft The IO 390 was certified on 30 March 2009 to FAR 33 1 2 3 6 In January 2009 the base price of the IO 390 EXP version was USD 32 650 00 7 In November 2009 Lycoming announced that it had obtained an FAA Supplemental Type Certificate to replace the originally fitted Lycoming O 360 engines in the Mooney M20E M20F and M20J with a new or remanufactured IO 390 A3A6 engine 8 Also on November 12 2009 Commander Aircraft received an STC for its model 112B using the MTV 12 B 188 59b propeller 9 Variants EditIO 390 models Edit IO 390 X Four cylinder fuel injected horizontally opposed air cooled direct drive 390 cubic inches 6 39 litres 210 hp 157 kW at 2700 rpm dry weight 308 lb 140 kg The X designation is a generic indicator for all engines in the family 1 2 IO 390 EXP Four cylinder fuel injected horizontally opposed air cooled direct drive 390 cubic inches 6 39 litres 210 hp 157 kW at 2700 rpm dry weight 308 lb 140 kg non certified engine for experimental aircraft assembled by Lycoming s Thunderbolt division 10 IO 390 A1A6 The initial certified version four cylinder fuel injected horizontally opposed air cooled direct drive 390 cubic inches 6 39 litres 210 hp 157 kW at 2700 rpm This model includes provisions for a single action controllable pitch propeller Certified 30 March 2009 3 6 IO 390 A1B6 Certified version four cylinder fuel injected horizontally opposed air cooled direct drive 390 cubic inches 6 39 litres 210 hp 157 kW at 2700 rpm Same as the A1A6 except that the propeller governor is located on left front of crankcase Certified 21 January 2010 6 IO 390 A3A6 Certified version four cylinder fuel injected horizontally opposed air cooled direct drive 390 cubic inches 6 39 litres 210 hp 157 kW at 2700 rpm This model includes provisions for a single action controllable pitch propeller This model is similar to the A1A6 but has its propeller flange bushings reindexed Certified 27 August 2009 6 IO 390 A3B6 Certified version four cylinder fuel injected horizontally opposed air cooled direct drive 390 cubic inches 6 39 litres 210 hp 157 kW at 2700 rpm Same as the A3A6 except that the propeller governor is located on left front of the crankcase Certified 5 April 2012 6 IO 390 C1A6 Certified version four cylinder fuel injected horizontally opposed air cooled direct drive 390 cubic inches 6 39 litres 215 hp 160 kW at 2700 rpm This model is similar to the IO 390 A1A6 except with a lightweight oil sump cold air induction housing tuned intake pipes and an RSA 10 fuel injector Certified 25 January 2016 6 IO 390 C1B6 Certified version four cylinder fuel injected horizontally opposed air cooled direct drive 390 cubic inches 6 39 litres 215 hp 160 kW at 2700 rpm This model is the same as the C1A6 except that the propeller governor is located on left front of the crankcase Certified 25 January 2016 6 IO 390 C3A6 Certified version four cylinder fuel injected horizontally opposed air cooled direct drive 390 cubic inches 6 39 litres 215 hp 160 kW at 2700 rpm This model is the same as the C1A6 except that the propeller flange bushings are reindexed Certified 25 January 2016 6 IO 390 C3B6 Certified four cylinder fuel injected horizontally opposed air cooled direct drive 390 cubic inches 6 39 litres 215 hp 160 kW at 2 700 rpm dry weight 296 lb 134 kg This model is the same as the C3A6 except that the propeller governor is located on left front of the crankcase Used on Cirrus SR20 G6 6 11 AEIO 390 models Edit AEIO 390 A1A6 Certified version aerobatic four cylinder fuel injected horizontally opposed air cooled direct drive 390 cubic inches 6 39 litres 210 hp 157 kW at 2700 rpm This model is the same as IO 390 A1A6 except that it is equipped with an inverted oil system kit for aerobatic flight Certified 5 April 2012 6 AEIO 390 A1B6 Certified version aerobatic four cylinder fuel injected horizontally opposed air cooled direct drive 390 cubic inches 6 39 litres 210 hp 157 kW at 2700 rpm This model is the same as IO 390 A1B6 except that it is equipped with an inverted oil system kit for aerobatic flight Certified 5 April 2012 6 AEIO 390 A3A6 Certified version aerobatic four cylinder fuel injected horizontally opposed air cooled direct drive 390 cubic inches 6 39 litres 210 hp 157 kW at 2700 rpm This model is the same as IO 390 A3A6 except that it is equipped with an inverted oil system kit for aerobatic flight Certified 5 April 2012 6 AEIO 390 A3B6 Certified version aerobatic four cylinder fuel injected horizontally opposed air cooled direct drive 390 cubic inches 6 39 litres 210 hp 157 kW at 2700 rpm This model is the same as IO 390 A3B6 except that it is equipped with an inverted oil system kit for aerobatic flight Certified 5 April 2012 6 Applications Edit nbsp Van s Aircraft RV 8s have been fitted with the IO 390 engineAmateur built aircraftBearhawk Companion Glasair Sportsman 3 Ibis GS 750 Grand Magic Lancair Barracuda Lancair ES 3 MSW Votec 221 Pipistrel Panthera Van s Aircraft RV 7 3 Van s Aircraft RV 8 3 Van s Aircraft RV 14 Van s Aircraft RV 15 12 Whisper X350 Generation II nbsp The Mooney M20J can have an IO 390 A3A6 installed under an STC nbsp Aura Aero Integral RCertified aircraftAura Aero Integral R aerobatic 210 hp 157 kW certification in progress 2021 citation needed Cessna 177RG available in July 2009 under an STC 3 13 14 Cirrus SR20 factory installed IO 390 C3B6 215 hp 160 kW version on the SR20 G6 version 15 16 Mooney M20 E F amp J available in November 2009 under an STC 3 8 14 Piper PA 28R Arrow proposed under STC 3 Symphony SA 160 proposed as a factory installed 200 hp 149 kW version but aircraft no longer in production 17 Tecnam P2010 18 Military AircraftLancair Synergy T 90 Colombian Air Force 19 Specifications IO 390 A1A6 EditData from Lycoming Specialty Datasheet 2 amp Type Certificate Data Sheet 6 General characteristics Type 4 cylinder fuel injected horizontally opposed aircraft engine Bore 5 319 in 135 1 mm Stroke 4 375 in 111 1 mm Displacement 389 cu in 6 37 L Length 30 70 in 780 mm Width 34 25 in 870 mm Height 19 35 in 491 mm Dry weight 308 lb 139 71 kg dryComponents Fuel system fuel injection Fuel type 100LL avgas Cooling system air cooledPerformance Power output 210 hp 160 kW at 2700 rpm Compression ratio 8 9 1 Fuel consumption 11 1 gallons per hour 42 liters per hour 9 2 imperial gallons per hour at 65 percent power Power to weight ratio 0 68 hp lb 1 12 kW kg See also EditLycoming O 360 List of aircraft enginesReferences Edit a b c d e Lycoming Engines n d Lycoming IO 390 X Archived from the original on 21 March 2012 Retrieved 2009 01 07 a b c d e f g Lycoming Engines 2004 Specialty datasheet PDF Archived from the original PDF on 26 May 2012 Retrieved 2008 12 20 a b c d e f g h i j k l Lycoming Engines 2008 Lycoming s Certified IO 390 Series Engine Archived from the original on 13 February 2012 Retrieved 2009 01 07 IO 390 A Series Engine Illustrated Parts Catalog pdf Lycoming p 25 Retrieved 2022 07 21 Part number 16A26081 Cylinder and Head Assembly Nitrided IO 580 B1A Parts Catalog pdf Lycoming p 3 3 Retrieved 2022 07 21 Part Number 16A22887 Cylinder Assembly a b c d e f g h i j k l m n Federal Aviation Administration 25 January 2017 TYPE CERTIFICATE DATA SHEET NO E00006NY Revision No 6 PDF Archived from the original PDF on 2 February 2017 Retrieved 29 January 2017 Lycoming Engines January 2009 Thunderbolt Engine Configurator Archived from the original on 14 July 2011 Retrieved 2009 01 06 a b Grady Mary November 2009 Lycoming Gets IO 390 STC For Legacy Mooneys Retrieved 2009 11 15 Federal Aviation Administration 12 November 2009 Supplemental Type Certificate STC Number SA00291BO Retrieved 30 March 2014 How to Buy For Experimental Pilots Lycoming 22 March 2012 Archived from the original on 2012 03 22 Aircraft Cirrus Cirrus Aircraft SR20 cirrusaircraft com Retrieved 2017 01 30 Dye Paul 25 July 2022 Van s on Top KitPlanes Archived from the original on 26 July 2022 Retrieved 29 July 2022 Grady Mary July 2009 Cessna News Update ASTM Compliance For SkyCatcher Retrieved 2009 07 28 a b Burnside Joseph E Jeb July 2009 Lycoming Bringing More Technology To An Airplane Near You Retrieved 2009 07 28 Cirrus G6 announcement January 2017 Archived from the original on 27 March 2017 Retrieved 2017 01 04 Grady Mary 4 January 2017 Cirrus Updates SR22 And SR20 AVweb Archived from the original on 7 October 2020 Retrieved 6 January 2017 AVweb Editorial Staff August 2008 AVwebFlash Complete Issue Volume 14 Number 31e Retrieved 2008 08 01 P2010 P Twenty Ten Tecnam tecnam com Retrieved 7 April 2019 Aero News Network February 2009 Lancair To Provide Colombian Air Force With Training Aircraft Retrieved 31 July 2010 External links EditOfficial website Retrieved from https en wikipedia org w index php title Lycoming IO 390 amp oldid 1101040968, wikipedia, wiki, book, books, library,

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