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  2. Auxiliary power unit - Wikipedia

    en.wikipedia.org/wiki/Auxiliary_power_unit

    The first German jet engines built during the Second World War used a mechanical APU starting system designed by the German engineer Norbert Riedel.It consisted of a 10 horsepower (7.5 kW) two-stroke flat engine, which for the Junkers Jumo 004 design was hidden in the engine nose cone, essentially functioning as a pioneering example of an auxiliary power unit for starting a jet engine.

  3. Honeywell auxiliary power unit - Wikipedia

    en.wikipedia.org/wiki/Honeywell_auxiliary_power_unit

    Honeywell auxiliary power units are a series of gas turbine auxiliary power units (APU) made by Honeywell Aerospace. Honeywell started manufacturing APUs in the early 1950s and since then they can be found on many aircraft. [1] Over the years Honeywell have produced more than 95,000 APUs and more than 36,000 are still in service. [2]

  4. Jet Support Services - Wikipedia

    en.wikipedia.org/wiki/Jet_Support_Services

    The company offers hourly cost maintenance, or Power by the Hour, programs for corporate and private aircraft engines, APUs and airframes. [ 1 ] [ 2 ] The company's JSSI Parts & Leasing division provides parts, engine and APU leasing support for approximately 10,000 aircraft maintenance events each year. [ 3 ]

  5. Solar T62 - Wikipedia

    en.wikipedia.org/wiki/Solar_T62

    The Solar T62 Titan is an American gas turbine engine used mainly as a aircraft auxiliary power unit (APU), conventional power generator, turboprop engine for fixed-wing aircraft or turboshaft engine for helicopters.

  6. Aircraft engine starting - Wikipedia

    en.wikipedia.org/wiki/Aircraft_engine_starting

    The compressed air can be supplied from an on-board auxiliary power unit (APU), a portable gas generator used by ground crew or by cross feeding bleed air from a running engine in the case of multi-engined aircraft. [19] The Turbomeca Palouste gas generator was used to start the Spey engines of the Blackburn Buccaneer.

  7. The best air purifiers of 2025 - AOL

    www.aol.com/lifestyle/best-air-purifiers...

    We put the best air purifiers from Lenovo, Honeywell, Winix, and more to the test to see which held up best (and actually purified the air for you). See what our product scientist has to say.

  8. Line-replaceable unit - Wikipedia

    en.wikipedia.org/wiki/Line-replaceable_unit

    A line-replaceable unit (LRU [1]), lower line-replaceable unit (LLRU), [citation needed] line-replaceable component (LRC), or line-replaceable item (LRI) [2] is a modular component of an airplane, [3] ship or spacecraft [4] (or any other manufactured device) that is designed to be replaced quickly at an operating location (1st line).

  9. ST Engineering Aerospace - Wikipedia

    en.wikipedia.org/wiki/ST_Engineering_Aerospace

    ST Engineering Aerospace Engineering Pte Ltd - provides depot level maintenance, aircraft upgrading, refurbishment, major structural repair and life extension programmes for a wide range of military and general aviation aircraft including helicopters. they also provide extensive base and line maintenance services for commercial aircraft such as the B737 and A320.