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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 intake diverter, essentially functioning as a pioneering example of an auxiliary power unit for starting a jet engine.

  3. Category:Aircraft with auxiliary jet engines - Wikipedia

    en.wikipedia.org/wiki/Category:Aircraft_with...

    For aircraft that use the jet engine(s) during normal cruise flight, see Category:Mixed-power aircraft Pages in category "Aircraft with auxiliary jet engines" The following 41 pages are in this category, out of 41 total.

  4. Focal mechanism - Wikipedia

    en.wikipedia.org/wiki/Focal_mechanism

    The fault plane responsible for the earthquake will parallel one of the nodal planes; the other is called the auxiliary plane. It is impossible to determine solely from a focal mechanism which of the nodal planes is the fault plane. Other geological or geophysical evidence is needed to remove the ambiguity.

  5. I toured an Air Force One plane used by 4 US presidents ... - AOL

    www.aol.com/news/toured-air-force-one-plane...

    The retired plane, used from 1959 to 1996, is on display at the Museum of Flight in Seattle. President Dwight Eisenhower became the first US president to travel by jet when he flew on a new Air ...

  6. Ram air turbine - Wikipedia

    en.wikipedia.org/wiki/Ram_air_turbine

    Modern aircraft generate power in the main engines or an additional fuel-burning turbine engine called an auxiliary power unit, which is often mounted in the rear of the fuselage or in the main-wheel well. The RAT generates power from the airstream due to the speed of the aircraft. If aircraft speeds are low, the RAT will produce less power.

  7. List of auxiliaries of the United States Navy - Wikipedia

    en.wikipedia.org/wiki/List_of_auxiliaries_of_the...

    The Auxiliary aircraft carriers (ACV) were designated as Auxiliary aircraft escort vessels (AVG) until 20 August 1942 and then were redesignated Escort aircraft carriers (CVE) on 15 July 1943. Main article: List of United States Navy escort aircraft carriers

  8. Honeywell auxiliary power unit - Wikipedia

    en.wikipedia.org/wiki/Honeywell_auxiliary_power_unit

    A Honeywell GTCP36-150(CX) auxiliary power unit mounted in the tail of a Cessna Model 750 Citation X. 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]

  9. Category:Mixed-power aircraft - Wikipedia

    en.wikipedia.org/wiki/Category:Mixed-power_aircraft

    A mixed-power aircraft is an aircraft which is powered by one or more jet engines, plus one or more piston, turboprop or rocket engines. This category contained aircraft either with auxiliary rocket power, or with a jet engine that was used 'equally' with its piston engines.