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  2. Aircraft engine starting - Wikipedia

    en.wikipedia.org/wiki/Aircraft_engine_starting

    An interesting feature of all three German jet engine designs that saw production of any kind before May 1945: the German BMW 003, Junkers Jumo 004 and Heinkel HeS 011 axial-flow turbojet engine designs was the starter system, which consisted of a Riedel 10 hp (7.5 kW) flat twin two-stroke air-cooled engine hidden in the intake, and essentially ...

  3. Contra-rotating propellers - Wikipedia

    en.wikipedia.org/wiki/Contra-rotating_propellers

    The A-90 uses one NK-12 engine mounted at the top of its T-tail, along with two turbofans installed in the nose. In the 1980s, Kuznetsov continued to develop powerful contra-rotating engines. The NK-110, which was tested in the late 1980s, had a contra-rotating propeller configuration with four blades in front and four in back, like the NK-12.

  4. Turboprop - Wikipedia

    en.wikipedia.org/wiki/Turboprop

    On a reverse-flow turboprop engine, the compressor intake is at the aft of the engine, and the exhaust is situated forward, reducing the distance between the turbine and the propeller. [15] Unlike the small-diameter fans used in turbofan engines, the propeller has a large diameter that lets it accelerate a large volume of air. This permits a ...

  5. Douglas A-1 Skyraider - Wikipedia

    en.wikipedia.org/wiki/Douglas_A-1_Skyraider

    The piston-engined, propeller-driven Skyraider was designed during World War II to meet United States Navy requirements for a carrier-based, single-seat, long-range, high performance dive/torpedo bomber, to follow on from earlier aircraft such as the Douglas SBD Dauntless, the Curtiss SB2C Helldiver and the Grumman TBF Avenger. [5]

  6. Propfan - Wikipedia

    en.wikipedia.org/wiki/Propfan

    A propfan, also called an open rotor engine, open fan engine [1] [2] or unducted fan (as opposed to a ducted fan), is a type of aircraft engine related in concept to both the turboprop and turbofan, but distinct from both. The design is intended to offer the speed and performance of a turbofan, with the fuel economy of a turboprop.

  7. Lycoming XR-7755 - Wikipedia

    en.wikipedia.org/wiki/Lycoming_XR-7755

    The original XR-7755-1 design drove a single propeller, but even on the largest aircraft the propeller needed to absorb the power would have been ridiculously large. This led to a minor redesign that produced the XR-7755-3, using a new propeller gearing system driving a set of coaxial shafts to power a set of contra-rotating propellers. The ...

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Aircraft engine controls - Wikipedia

    en.wikipedia.org/wiki/Aircraft_engine_controls

    Aircraft instrument panel with engine controls and indicators of a Cessna 182D Skylane. Aircraft engine controls provide a means for the pilot to control and monitor the operation of the aircraft's powerplant. This article describes controls used with a basic internal-combustion engine driving a propeller. Some optional or more advanced ...