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  2. Critical engine - Wikipedia

    en.wikipedia.org/wiki/Critical_engine

    The critical engine of a multi-engine fixed-wing aircraft is the engine that, in the event of failure, would most adversely affect the performance or handling abilities of an aircraft. On propeller aircraft, there is a difference in the remaining yawing moments after failure of the left or the right (outboard) engine when all propellers rotate ...

  3. General Electric XA100 - Wikipedia

    en.wikipedia.org/wiki/General_Electric_XA100

    The General Electric XA100 is an American adaptive cycle engine demonstrator being developed by General Electric (GE) for the Lockheed Martin F-35 Lightning II and forms the technological foundation for the company's XA102 propulsion system for the United States Air Force's sixth generation fighter program, the Next Generation Air Dominance (NGAD).

  4. Linear Aerospike SR-71 Experiment - Wikipedia

    en.wikipedia.org/wiki/Linear_Aerospike_SR-71...

    Design refinements looked to minimize the interaction of the aerodynamic flow with the engine plume, which could create drag. [2] The aircraft completed seven research flights. Two initial flights were used to determine the aerodynamic characteristics of the LASRE apparatus on the back of the aircraft. The first of those occurred 31 October 1997.

  5. Verner VM 133 - Wikipedia

    en.wikipedia.org/wiki/Verner_VM_133

    The Verner VM 133 is a family of Czech two cylinder, horizontally opposed, four stroke aircraft engines, designed and built by Verner Motor of Šumperk. [ 1 ] [ 2 ] [ 3 ] Design and development

  6. Pratt & Whitney XA101 - Wikipedia

    en.wikipedia.org/wiki/Pratt_&_Whitney_XA101

    The Pratt & Whitney XA101 is an American adaptive cycle engine demonstrator being developed by Pratt & Whitney for the Lockheed Martin F-35 Lightning II and form the technological foundation for the company's XA103 propulsion system for the United States Air Force's sixth generation fighter program, the Next Generation Air Dominance (NGAD).

  7. Magnetohydrodynamic drive - Wikipedia

    en.wikipedia.org/wiki/Magnetohydrodynamic_drive

    Illustration of the right-hand rule for the Lorentz force, cross product of an electric current with a magnetic field. The working principle involves the acceleration of an electrically conductive fluid (which can be a liquid or an ionized gas called a plasma) by the Lorentz force, resulting from the cross product of an electric current (motion of charge carriers accelerated by an electric ...

  8. P-factor - Wikipedia

    en.wikipedia.org/wiki/P-factor

    P-Factor therefore determines which engine is critical engine. [6] For most aircraft (which have clockwise rotating propellers), the left engine is the critical engine. For aircraft with counter-rotating propellers (i.e. not rotating in the same direction) the P-factor moments are equal and both engines are considered equally critical. Fig. 1.

  9. Stall (fluid dynamics) - Wikipedia

    en.wikipedia.org/wiki/Stall_(fluid_dynamics)

    The tendency of powerful propeller aircraft to roll in reaction to engine torque creates a risk of accelerated stalls. When an aircraft such as a Mitsubishi MU-2 is flying close to its stall speed, the sudden application of full power may cause it to roll, creating the same aerodynamic conditions that induce an accelerated stall in turning ...