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The Mirage 4000 was noticeably larger and heavier than the single-engined Mirage 2000, the 4000 having two SNECMA M53-2 turbofans. [1] It also featured small canards above the engine air intakes and a true bubble canopy, compared to the Mirage 2000 and previous Mirages.
Flight testing started in July 1973 using a Caravelle flying test-bed and the engine first went supersonic in a Mirage F.1 test bed at the end of 1974. [ 3 ] The engine was designed to have better performance than the latest Atar engines but simpler and less costly than the SNECMA TF 306 turbofan. [ 1 ]
Mirage F2: Strike fighter, a larger and more powerful version of the conventionally tailed F1. [4] Mirage G, G4 and G8: Variable-geometry (swing-wing) fighters. The G was effectively a swing-wing F2, while the G4 and G8 were twin-engined developments. [4] Mirage 4000 or Super Mirage 4000: Prototype larger version of the Mirage 2000 design.
The Mirage F1 emerged from a series of design studies performed by French aircraft manufacturer Dassault Aviation. [2] Having originally sought to develop a larger swept wing derivative of the Mirage III, which became the Mirage F2, to serve as a vertical take-off and landing propulsion testbed akin to the Dassault Mirage IIIV, however, it was soon recognized that the emerging design could ...
The first parts were available as early as May 1946, but a complete compressor or turbine was not ready until the middle of the next year. The first complete engine finally ran on 26 March 1948. By April 5 it had been brought up to 16,000 N (3,600 lb f ) thrust and was continually improved until it reached 21,600 N (4,900 lb f ) by October.
The thrust-to-weight ratio is usually calculated from initial gross weight at sea level on earth [6] and is sometimes called thrust-to-Earth-weight ratio. [7] The thrust-to-Earth-weight ratio of a rocket or rocket-propelled vehicle is an indicator of its acceleration expressed in multiples of earth's gravitational acceleration, g 0. [5]
Distributed propulsion on an aircraft is typically characterised not only by the distributed nature of the propulsive thrust but also by utilisation of the effect this has on the aircraft aerodynamics. [2] The propulsive air flows are distributed over the aerodynamic surfaces of the craft, typically spanwise over a fixed wing.
The Mirage III family has its origins within a series of studies conducted by the French Defence Ministry which had commenced in 1952. At the time, several nations had taken an interest in the prospects of a light fighter, which had been motivated by combat experiences acquired during the Korean War, specifically the Soviet-built Mikoyan-Gurevich MiG-15 jet-propelled fighter aircraft which had ...