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{{Short description|1960s Soviet aircraft auxiliary power unit}}
{|{{Infobox Aircraft Begin|thumb|300x300px|AI9-3B
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|name=AI-9|image=Engine AI9-3B.JPG|caption=AI9-3B}}
{|{{Infobox aircraft begin
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{{Infobox Aircraft Engine|type=[[Turboprop]]|national origin=[[Soviet Union]]|manufacturer=[[Ivchenko-Progress]], [[Motor Sich]]|first run=1966|major applications=[[Antonov AN-140]]<br>[[Kamov Ka-27]]<br>[[Kamov Ka-28]]<br>[[Kamov Ka-29]]<br>[[Kamov Ka-32]]<br>[[Kamov Ka-50]]<br>[[Kamov Ka-52]]<br>[[Mil Mi-8]]<br>[[Mil Mi-14]]<br>[[Mil Mi-24]]<br>[[Mil Mi-28]]<br>[[Yakovlev Yak-40]]|number built=|program cost=|unit cost=|developed from=|developed into=|variants with their own articles=}}
| name=AI-9
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| image=File:Engine AI9-3B.JPG
| caption=AI9-3B
}}{{Infobox aircraft engine
|type=[[Auxiliary Power Unit]] (APU)
|manufacturer=[[Ivchenko]] / [[Ivchenko-Progress]] / [[Motor Sich]]
|designer=
|national origin=[[USSR]]
|first run=1966
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|major applications=[[Antonov An-140]]<br>[[Kamov Ka-27]]<br>[[Kamov Ka-28]]<br>[[Kamov Ka-29]]<br>[[Kamov Ka-32]]<br>[[Kamov Ka-50]]<br>[[Kamov Ka-52]]<br>[[Mil Mi-8]]<br>[[Mil Mi-14]]<br>[[Mil Mi-24]]<br>[[Mil Mi-28]]<br>[[Yakovlev Yak-40]]
|produced=
|number built=
|program cost=
|unit cost=
|developed from=
|variants with their own articles=
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}}
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The '''Ivchenko AI-9''' is an aircraft [[auxiliary power unit]] developed and produced by [[Ivchenko-Progress]] [[Motor Sich]].<ref name=":0">{{Cite web|url=http://www.motorsich.com/eng/products/aircraft/auxiliary/ai-9/|title=AI-9 - Motor Sich|last=Il'yashenko|first=Matviy|website=www.motorsich.com|access-date=2016-11-22}}</ref>
The '''Ivchenko AI-9''' is an aircraft [[auxiliary power unit]] developed and produced by [[Ivchenko-Progress]] and [[Motor Sich]].<ref name=":0">{{Cite web|url=http://www.motorsich.com/eng/products/aircraft/auxiliary/ai-9/|title=AI-9 - Motor Sich|last=Il'yashenko|first=Matviy|website=www.motorsich.com|access-date=2016-11-22|archive-date=2017-01-10|archive-url=https://web.archive.org/web/20170110101016/http://www.motorsich.com/eng/products/aircraft/auxiliary/ai-9/|url-status=dead}}</ref>


<!-- ==Design and development== -->
<!-- ==Operational history== -->
== Variants ==
== Variants ==
* '''AI-9''' - The base model which is used to supply compressed air to [[Air-start system|air-start systems]]. It can also be used as cabin heating if necessary.<ref name=":0" />
;AI-9: The base model which is used to supply compressed air to [[air-start system]]s. It can also be used as cabin heating if necessary.<ref name=":0" />
* '''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.<ref>{{Cite web|url=http://www.motorsich.com/eng/products/aircraft/auxiliary/ai-9v/|title=AI-9V - Motor Sich|last=Il'yashenko|first=Matviy|website=www.motorsich.com|access-date=2016-11-22}}</ref>
;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.<ref name=motorsichai9-V>{{Cite web|url=http://www.motorsich.com/eng/products/aircraft/auxiliary/ai-9v/|title=AI-9V - Motor Sich|last=Il'yashenko|first=Matviy|website=www.motorsich.com|access-date=2016-11-22|archive-date=2017-01-10|archive-url=https://web.archive.org/web/20170110101022/http://www.motorsich.com/eng/products/aircraft/auxiliary/ai-9v/|url-status=dead}}</ref>
* '''AI9-3B''' - The AI9-3B is used to provide air to engines and air conditioning systems and provide electricity to on-board electrical systems.
;AI9-3B:The AI9-3B is used to provide air to engines and air conditioning systems and provide electricity to on-board electrical systems.<ref name=motorsichai9-3b>{{Cite web|url=http://www.motorsich.com/eng/products/aircraft/auxiliary/ai9-3b/|title=AI9-3B - Motor Sich|last=Il'yashenko|first=Matviy|website=www.motorsich.com|access-date=2016-11-22|archive-date=2017-01-12|archive-url=https://web.archive.org/web/20170112061832/http://www.motorsich.com/eng/products/aircraft/auxiliary/ai9-3b/|url-status=dead}}</ref>
<!-- ==Applications== -->
{| class="metadata plainlinks stub" style="background:transparent"
<!-- Survivors -->
|[[File:Aero-stub_img.svg|alt=Stub icon|20x20px]]
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|''This article about aircraft engines is a [[Wikipedia:Stub|stub]]. You can help Wikipedia by [//en.wikipedia.org/enwiki/w/index.php?title=Ivchenko_AI-9&action=edit expanding it].''<div class="plainlinks hlist navbar mini" style="position: absolute; right: 15px; display: none;">
==Specifications (AI-9) ==
* [[Template:Engine-aircraft-stub|<abbr title="View this template">v</abbr>]]
{{jetspecs
* [[Template talk:Engine-aircraft-stub|<abbr title="Discuss this template">t</abbr>]]
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* [//en.wikipedia.org/enwiki/w/index.php?title=Template:Engine-aircraft-stub&action=edit <abbr title="Edit this template">e</abbr>]
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</div>
|ref=Aircraft engines of the World 1970<ref name=Wilkinson70>{{cite book |last=Wilkinson |first=Paul H. |title=Aircraft engines of the World 1970 |year=1970 |publisher=Paul H. Wilkinson |location=Washington D.C. |edition=21st |page=216 }}</ref>
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|}
|type=Auxiliary Power Unit (APU)
<span> </span>
|length={{cvt|740|mm}}
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[[Category:Aircraft Engines]]
|diameter={{cvt|500|mm}} casing diameter
|weight={{cvt|45|kg}}
|compressor=1-stage centrifugal compressor
|combustion=Annular combustion chamber with 6 fuel injectors
|turbine=1-stage axial turbine (gas generator)
|fueltype=Aviation [[Kerosene]] such as [[JP-4]]
|oilsystem=
|power={{cvt|75|hp|order=flip}} (air hp) at 38,500 rpm or {{cvt|0.4|kg/s}} of compressed air at {{cvt|35|psi|bar|order=flip}}
|thrust=
|compression=2.8:1
|bypass=
|aircon={{cvt|1.5|kg/s}} at 38,500 rpm
|turbinetemp=
|fuelcon={{cvt|120|kg/h}} maximum
|specfuelcon=
|power/weight={{cvt|0.75|hp/lb|order=flip}} (air hp)
|thrust/weight=
}}

==References==
{{Commons category}}
{{Reflist}}
<!-- ==External links== -->

{{Ivchenko aeroengines}}
[[Category:Ivchenko-Progress aircraft engines]]
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[[Category:Aircraft auxiliary power units]]

Latest revision as of 00:28, 21 September 2024

AI-9
AI9-3B
Type Auxiliary Power Unit (APU)
National origin USSR
Manufacturer Ivchenko / Ivchenko-Progress / Motor Sich
First run 1966
Major applications Antonov An-140
Kamov Ka-27
Kamov Ka-28
Kamov Ka-29
Kamov Ka-32
Kamov Ka-50
Kamov Ka-52
Mil Mi-8
Mil Mi-14
Mil Mi-24
Mil Mi-28
Yakovlev Yak-40

The Ivchenko AI-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. ^ 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.
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