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teknopedia

Flag Counter
  2. World Encyclopedia
  3. Ivchenko AI-9 - Wikipedia
Ivchenko AI-9 - Wikipedia
From Wikipedia, the free encyclopedia
AI-9
AI9-3B
TypeAuxiliary Power Unit (APU)
National originUSSR
ManufacturerIvchenko / Ivchenko-Progress / Motor Sich
First run1966
Major applications

The Ivchenko AI-9 (Russian: Ивченко АИ-9) is an aircraft auxiliary power unit developed and produced by Ivchenko-Progress and Motor Sich.[1]

Variants

AI-9
The base model which is used to supply compressed air to air-start systems. It can also be used as cabin heating if necessary.[1]
AI-9V
A variant of the base model that is used to supply compressed air to air-start systems and air conditioning. It also supplies electricity to on-board electrical systems with a 3 kW generator.[2]
AI9-3B
The AI9-3B is used to provide air to engines and air conditioning systems and provide electricity to on-board electrical systems.[3]

Specifications (AI-9)

Data from Aircraft engines of the World 1970[4]

General characteristics

  • Type: Auxiliary Power Unit (APU)
  • Length: 740 mm (29 in)
  • Diameter: 500 mm (20 in) casing diameter
  • Dry weight: 45 kg (99 lb)

Components

  • Compressor: 1-stage centrifugal compressor
  • Combustors: Annular combustion chamber with 6 fuel injectors
  • Turbine: 1-stage axial turbine (gas generator)
  • Fuel type: Aviation Kerosene such as JP-4

Performance

  • Maximum power output: 56 kW (75 hp) (air hp) at 38,500 rpm or 0.4 kg/s (53 lb/min) of compressed air at 2.4 bar (35 psi)
  • Overall pressure ratio: 2.8:1
  • Air mass flow: 1.5 kg/s (200 lb/min) at 38,500 rpm
  • Fuel consumption: 120 kg/h (260 lb/h) maximum
  • Power-to-weight ratio: 1.23 kW/kg (0.75 hp/lb) (air hp)

References

Wikimedia Commons has media related to Ivchenko AI-9.
  1. ^ a b Il'yashenko, Matviy. "AI-9 - Motor Sich". www.motorsich.com. Archived from the original on 2017-01-10. Retrieved 2016-11-22.
  2. ^ Il'yashenko, Matviy. "AI-9V - Motor Sich". www.motorsich.com. Archived from the original on 2017-01-10. Retrieved 2016-11-22.
  3. ^ Il'yashenko, Matviy. "AI9-3B - Motor Sich". www.motorsich.com. Archived from the original on 2017-01-12. Retrieved 2016-11-22.
  4. ^ Wilkinson, Paul H. (1970). Aircraft engines of the World 1970 (21st ed.). Washington D.C.: Paul H. Wilkinson. p. 216.
Sunting pranala
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