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Vickerstype559

The Vickers (Supermarine) Type 559 was a supersonic interceptor aircraft design by the British aircraft company Vickers-Armstrongs and was their submission for Operational Requirement F.155 in 1955.

It was not accepted for further consideration; the most valued submissions being from Armstrong Whitworth and Fairey. However the F.155 requirement was dropped as a result of the 1957 Defence White Paper.[1]

DescriptionEdit

The Type 559 was an unorthodox canard design with a massive chin air intake, split vertically, for two reheated de Havilland Gyron engines of 4,299 pounds-force (19.12 kN) thrust each, placed as in the English Electric Lightning, one above the other. Two de Havilland Spectre Junior rockets were situated each side of the fuselage at wing level. Two Red Hebe or Blue Jay missiles were mounted alongside the upper part of the fuselage between the canard and the mainplane, which had end-plates incorporating twin rudders.[1]

Construction detailsEdit

The fuselage of the 559 would have been constructed from aluminium alloy, apart from the rear section which, from the engine compressor aft, would have been titanium ICI.314A alloy sheet and structural steel. Titanium would have also been used for the skins of the foreplane and the wing leading edge. Much of the 1,870 gal (8,500 litre) kerosene supply was stored in a tank located in the mainplane torsion box, with the remainder in the fuselage, alone with the HTP for the rocket motors.[2]

The twin Gyron engines were placed one above the other, matching the engine configuration of the English Electric Lighting, to reduce frontal area.[N 1] The two Spectre Junior rockets were located at wing level, either side of the jets.[2]

ReferencesEdit

NotesEdit

  1. The Gyron was selected because it appeared suitable, and already existed

SourcesEdit

  1. 1.0 1.1 Type 559 page at VickersSupermarine.org.uk
  2. 2.0 2.1 Buttker, Tony. British Secret Projects - Jet Fighters since 1950. Midland Publishing. ISBN 1 85780 095 8 Pages 85-86

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