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Continental IO-550

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The Continental IO-550 engine is a large family of fuel injected six cylinder, horizontally opposed, air-cooled aircraft engines that were developed for use in light aircraft by Teledyne Continental Motors. The first IO-550 was delivered in 1983 and the type remains in production.[1][2]

The IOF-550 is an Aerosance FADEC equipped version of the same basic engine, the TSIO-550 is a dual turbocharged version and the TSIOL-550 is a liquid-cooled variant.[1][2][3]

There is no O-550 engine, which would be a carburetor-equipped variant, hence the base model is the IO-550.[1][2]

This engine family competes with the Lycoming IO-580 series which are also six cylinder engines with similar power output and weight.[4]

Design and development

The IO-550 family of engines was developed from the IO-520 series, with the stroke increased from 4.00 to 4.25 inches, increasing the displacement to 552 in³ (9.05 l). The engine family covers a power range from Template:Convert to Template:Convert.[1][2]

The engines were first developed in the early 1980s and first certified on a regulatory basis of FAR 33, 1 February 1965 amendment, 33-8, 2 May 1977. The first O-550 model was certified on 13 October 1983.[1][2]

Variants

IO-550-A
Template:Convert at 2700 rpm, dry weight Template:Convert. Certified 13 October 1983.[1]
IO-550-B
Template:Convert at 2700 rpm, dry weight Template:Convert. Certified 13 October 1983.[1]
IO-550-C
Template:Convert at 2700 rpm, dry weight Template:Convert. Certified 13 October 1983.[1]
IO-550-D
Template:Convert at 2700 rpm, dry weight Template:Convert. Certified 23 June 1988.[1]
IO-550-E
Template:Convert at 2700 rpm, dry weight Template:Convert. Certified 20 December 1989.[1]
IO-550-F
Template:Convert at 2700 rpm, dry weight Template:Convert. Similar to the IO-550-A,B & C, with a top-mounted induction system and 8-quart oil sump. Certified 23 June 1988.[1]
IO-550-G
Template:Convert at 2500 rpm, dry weight Template:Convert. Certified 17 March 1989.[1]
IO-550-L
Template:Convert at 2700 rpm, dry weight Template:Convert. Certified 23 June 1988.[1]
IO-550-N
Template:Convert at 2700 rpm, dry weight Template:Convert. Similar to the IO-550-G with increased power rating. Certified 16 August 1996.[1]
IO-550-P
Template:Convert at 2700 rpm, dry weight Template:Convert. Similar to the IO-550-N with oil sump from the IO-550-L. Certified 1 March 2000.[1]
IO-550-R
Template:Convert at 2700 rpm, dry weight Template:Convert. Similar to the IO-550-N but with the oil sump, oil suction tube and mount legs from the IO-550-B. Certified 1 March 2000.[1]

FADEC models

IOF-550-B
Template:Convert at 2700 rpm, dry weight Template:Convert. Similar to the IO-550-B with an Aerosance FADEC fuel and ignition control system. Certified 4 February 2002.[1]
IOF-550-C
Template:Convert at 2700 rpm, dry weight Template:Convert. Similar to the IO-550-C with an Aerosance FADEC fuel and ignition control system. Certified 4 February 2002.[1]
IOF-550-D
Template:Convert at 2700 rpm, dry weight Template:Convert. Similar to the IO-550-D with an Aerosance FADEC fuel and ignition control system. Certified 4 February 2002.[1]
IOF-550-E
Template:Convert at 2700 rpm, dry weight Template:Convert. Similar to the IO-550-E with an Aerosance FADEC fuel and ignition control system. Certified 4 February 2002.[1]
IOF-550-F
Template:Convert at 2700 rpm, dry weight Template:Convert. Similar to the IO-550-F with an Aerosance FADEC fuel and ignition control system. Certified 4 February 2002.[1]
IOF-550-L
Template:Convert at 2700 rpm, dry weight Template:Convert. Similar to the IO-550-L with an Aerosance FADEC fuel and ignition control system. Certified 4 February 2002.[1]
IOF-550-N
Template:Convert at 2700 rpm, dry weight Template:Convert. Similar to the IO-550-N with an Aerosance FADEC fuel and ignition control system. Certified 4 February 2002.[1]
IOF-550-P
Template:Convert at 2700 rpm, dry weight Template:Convert. Similar to the IO-550-P with an Aerosance FADEC fuel and ignition control system. Certified 4 February 2002.[1]
IOF-550-R
Template:Convert at 2700 rpm, dry weight Template:Convert. Similar to the IO-550-R with an Aerosance FADEC fuel and ignition control system. Certified 4 February 2002.[1]

Turbocharged models

TSIO-550-A
Template:Convert at 2600 rpm, dry weight Template:Convert plus two turbochargers of Template:Convert each.[2]
TSIO-550-B
Template:Convert at 2700 rpm, dry weight Template:Convert plus two turbochargers of Template:Convert each. Similar to the TSIO-550-A except with a 12 quart sump, sonic venturii removed and the two stage fuel pump replaced by a single stage fuel pump.[2]
TSIO-550-C
Template:Convert at 2600 rpm, dry weight Template:Convert plus two turbochargers of Template:Convert each.[2]
TSIO-550-E
Template:Convert at 2700 rpm, dry weight Template:Convert plus two turbochargers of Template:Convert each. Similar to TSIO-550-C with the oil sump and maximum continuous power rating of the TSIO-550-B.[2]
TSIO-550-G
Template:Convert at 2700 rpm, dry weight Template:Convert plus two turbochargers of Template:Convert each. Similar to the TSIO-550-E with smaller surface area intercoolers, different oil sump capacity and power rating.[2]

Liquid-cooled models

TSIOL-550-A
Template:Convert at 2700 rpm, dry weight Template:Convert. Similar to the TSIO-520-NB but with a new cylinder design that uses liquid cooling. The coolant manifold is on top of the cylinder head, with a coolant pump fitted to the starter adapter, driven by the starter adapter shaft and the oil cooler is mounted on the airframe, not the engine. The engine has an AiResearch TA81 turbocharger.[3]
TSIOL-550-B
Template:Convert at 2700 rpm, dry weight Template:Convert. Similar to the TSIO-520-UB but with a new cylinder design that uses liquid cooling. The coolant manifold is on top of the cylinder head, with a coolant pump fitted to the starter adapter, driven by the propeller shaft using sheaves, the oil cooler is mounted on the airframe, not the engine. A coolant tank and coolant lines are added to the installation. The engine has an AiResearch TS06 turbocharger.[3]
TSIOL-550-C
Template:Convert at 2600 rpm, dry weight Template:Convert. Similar to the TSIOL-550-A but with the exhaust system and turbocharger bracket from the TSIOL-550-B. The engine is modified to accept the AiResearch TA81 turbocharger. Neither oil nor coolant radiators are provided with the engine.[3]

Geared models

GIO-550-A
A special non-certified geared engine developed for the RU-38 Twin Condor covert reconnaissance aircraft and incorporating 3:2 gear reduction to 2267 rpm.[5][6][7]

Applications

File:LancairIV-PC-GLFP02.jpg
Lancair IV-P equipped with a TSIO-550
IO-550
TSIO-550
TSIOL-550
GIO-550


Specifications (IO-550-A)

Reference: Type Certificate Data Sheet E3SO[1] Template:Pistonspecs

See also

References

  1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 1.21 1.22 1.23 1.24 1.25 Federal Aviation Administration (March 2007). TYPE CERTIFICATE DATA SHEET NO. E3SO Revsion 10. Retrieved on 2008-12-28.
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 Federal Aviation Administration (December 2006). TYPE CERTIFICATE DATA SHEET NO. E5SO Revision 3. Retrieved on 2008-12-28.
  3. ↑ 3.0 3.1 3.2 3.3 Federal Aviation Administration (August 1997). TYPE CERTIFICATE DATA SHEET NO. E4SO Revision 1. Retrieved on 2008-12-28.
  4. ↑ Federal Aviation Administration (August 2007). TYPE CERTIFICATE DATA SHEET NO. E00004NY, Revision 1. Retrieved on 2009-01-03.
  5. ↑ Stoll, Alex (September 2001). Schweizer RU-38A Twin Condor. Retrieved on 2008-06-04.
  6. ↑ Parsch, Andreas (February 2008). Designations Of U.S. Military Aero Engines. Retrieved on 2009-07-14.

External links

Template:Continental aeroengines

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