Rolls Royce Viper Turbojet from an Aermacchi MB-326
The Viper was a turbojet engine developed and produced by Armstrong Siddeley and then by its successor companies Bristol-Siddeley and Rolls-Royce Limited. It entered service in 1953. The Armstrong-Siddeley automobiles (and later aircraft engines) were an English marque manufactured from 1919 (after the company was formed in 1917 by a merger between two Coventry_based companies, Armstrong-Whitworth and Siddeley-Deasy) to 1960. ... Bristol Siddeley was a UK aero-engine manufacturer formed in 1959 from the merger of Bristol Aero Engines and Armstrong-Siddeley. ... Rolls-Royce Limited was a British car and aero-engine manufacturing company founded by Henry Royce and C.S. Rolls in 1906 and was the result of a partnership formed in 1904. ...
The design is a 7-stage compressor based on their Sapphire engine - in effect a small scale Sapphire. The Viper was developed as an expendable engine for powering a target drone, the Jindivik, but the limited-life materials used were subsequently replaced with standard ones and it was then used as an aircraft engine on the Jet Provost and its budget attack aircraft derivative the BAC Strikemaster, the Hawker-Siddeley Dominie, the Avro Shackleton (as an auxiliary engine to its propellers) Aermacchi MB-326, Soko Orao (afterburned version), Soko Galeb G-2, Soko Super Galeb G-4 and the Utva Super Galeb G-4M. The Sapphire was a jet engine produced by Armstrong Siddeley in the 1950s. ... The Hunting Percival (later BAC) Jet Provost was a jet-powered training aircraft used by the RAF from 1955 to 1993. ... The BAC 167 Strikemaster was a jet-powered training and light attack aircraft. ... BAe 125-1000 The twin-engined BAe 125 is the worlds best selling mid-size corporate jet, now marketed as the Raytheon Hawker 800. ... The Shackleton was a Royal Air Force long-range patrol bomber developed from the Avro Lincoln bomber with a new fuselage. ... The Aermacchi or Macchi MB-326 is a two-seat military jet trainer aircraft designed in Italy. ...