Ivchenko AI-9
| AI-9 | |
|---|---|
 AI9-3B | |
| Type | Auxiliary Power Unit (APU) |
| National origin | USSR |
| Manufacturer | Ivchenko / Ivchenko-Progress / Motor Sich |
| First run | 1966 |
| 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
[edit]- 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)
[edit]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
[edit]
Wikimedia Commons has media related to Ivchenko AI-9.
- 1 2 Il'yashenko, Matviy. "AI-9 - Motor Sich". www.motorsich.com. Archived from the original on 2017-01-10. Retrieved 2016-11-22.
- ↑ Il'yashenko, Matviy. "AI-9V - Motor Sich". www.motorsich.com. Archived from the original on 2017-01-10. Retrieved 2016-11-22.
- ↑ Il'yashenko, Matviy. "AI9-3B - Motor Sich". www.motorsich.com. Archived from the original on 2017-01-12. Retrieved 2016-11-22.
- ↑ Wilkinson, Paul H. (1970). Aircraft engines of the World 1970 (21st ed.). Washington D.C.: Paul H. Wilkinson. p. 216.