Dassault Mystery II

The Mystère II is a Fighter plan built by Dassault Aviation in the years 1950. Directly derived from the Hurricane and built to 150 specimens, it is the first plane of French design able to exceed the Mur of the sound. Mystery II is however an apparatus of transition which will remain in service only a few short years before being replaced by most powerful Mystère IV.

Design

In February 1950, Dassault obtains a contract for the study and the realization of a new aerofoil aerofoil with mean profile adaptable to the MANDELEVIUM 450 Hurricane and in front of him to make it possible to finally exceed the Mur of the sound. The arrow is clearly increased (30° instead of 14°), the slightly lengthened fuselage and various other modifications are made like the addition of the first servos built in series in France. The new plane is then indicated MANDELEVIUM 452 Mystery.

Propelled by an engine Rolls-Royce Tit, the first prototype Mystery II 01 fact its inaugural flight on February 23rd, 1951. It is followed semi-1952 by two other prototypes equipped with an engine Rolls-Royce more powerful and indicated Tay Mystère IIA. Although the test pilots French are persuaded to have exceeded the Mur of the sound, it is necessary to await on October 28th, 1952 and the presence of an American pilot to the orders for ententre the famous " bang" (which requires an easy way to be audible of the public). The first French pilot to pass the wall of the sound officially will be the commander Roger Carpentier, on December 12th, 1952.

In 1951, the French Air force order 20 specimens of preproduction: 3 Mystery IIB (of which first is used like testing ground flying for the new engine SNECMA Atar 101) and 14 others armed with guns receiving the final denomination of Mystery IIC.

On the 19 prototypes and built planes of preproduction, only the 013 survived: it from now on is exposed to the museum of Savigny-the-Beaune. This plane shows the characteristic to be only Mystery II with being equipped with a canopy HTTP: /fr.wiktionary.org/wiki/verri era of the " type; Clamshell" i.e. opening by rotation to the top, instead of the traditional sliding canopy.

July 18th, 1952 takes place the first flight of MANDELEVIUM 453 Mystery III, with a more marked arrow (32°) and a thinner wing, an engine Rolls-Royce Tay, and a radar with before which obliges to replace the frontal air intake towards the sides. This two-seater was intended to answer an invitation to tender for a Fighter plan nocture, but will not exceed the stage of prototype.

Production

In January 1953, the French Air force order 150 specimens of series of Mystery IIC. Afterwards many hesitations, the engine Atar 101 will be finally retained for the production aircraft: the first specimens receive Atar 101C, the following Atar 101D. The aerofoil is produced by SNCASO with Bouguenais, the front fuselage by SNCASE with Toulouse, the back fuselage by SNCASO with Saint-Nazaire and the empennage by Dassault with Talence. The final assembly and the tests are carried out with Bordeaux - Mérignac.

First Mystery IIC of series makes its take-off in October 1954, and the last is delivered in January 1957. The first unit to receive the plane is the 10th Squadron of Hunting of Creil in July 1955, followed by the 5th Squadron of Hunting of Orange the summer according to.

The implementation proved at the very least delicate, with a monthly accident and availability ratio which seldom exceeded the 50% many. It is so much so that in November 1957, when Mystery IIC were définitivements prohibited of flight and replaced by the Mystère IV, certain planes had very few hours to the meter.

No Mystery II was exported: an ordering of 30 deliverable planes in 1956 by Israel was transformed into as many Mystère IV. The India seemed interested but did not sign any order.

Alternatives

  • Mystery II 01 - designation of the first prototype equipped with an engine Rolls-Royce Tit

  • Mystery IIA - designation of the prototypes 2 and 3 equipped an engine Rolls-Royce Tay
  • Mystery IIB - designation of the first three planes of preproduction
  • Mystery IIC - designation with the 14 other planes of preproduction and the 150 production aircraft

Users

See too

Internal bonds

External bonds

  • Mystery II on the site of Dassault
  • Mystery II on the site of the Academy of the Air and the Space of Aquitaine

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