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Rolls-Royce Bristol Pegasus, engine of the vertical takeoff Harrier, in the Bristol Industrial Museum, England. Pegasus 1 (BE53-2) The two prototype engines were demonstrator engines which developed about 9,000 lbf (40 kN) on the test bed. Neither engine was installed in a P.1127. Pegasus 2 (BE53-3) Used in the initial P.1127s, 11,500 lbf (51 kN)
An RAF Harrier GR.7A at RIAT 2005 The GR.7A is a GR.7 with an uprated Rolls-Royce Pegasus 107 engine. The Mk 107 engine provides around 3,000 lbf (13 kN) extra thrust than the Mk 105's 21,750 lbf (98 kN) thrust, increasing aircraft performance during "hot and high" and carrier-borne operations. [1] GR.9
The Mk 107 engine provides around 3,000 lbf (13 kN) extra thrust over the Mk 105's 21,750 lbf (98 kN) thrust. GR.9 The GR9 is an upgrade of the GR7, focused on the Harrier II's avionics and weapons.
Both versions of Harrier experienced reduced engine performance (Pegasus Mk 106 in FA2 and Mk 105 in GR7) in the higher ambient temperatures of the Middle East, which restricted the weight of payload that the Harrier could return to the carrier in 'vertical' recoveries. [20] This was due to the safety factors associated with aircraft landing ...
The Harrier, informally referred to as the Harrier jump jet, is a family of jet-powered attack aircraft capable of vertical/short takeoff and landing operations (V/STOL). Named after a bird of prey , [ 1 ] it was originally developed by British manufacturer Hawker Siddeley in the 1960s.
On her voyage home, Hawker Siddeley demonstrated a RAF Harrier GR.Mk.1 (XV757) but Argentina opted for the A-4Q Skyhawk instead. There were several problems to supply Argentina with Harrier jets and engines that prevented the deal from being closed, and when the US learned of the Harrier negotiations they quickly offered a better deal to Argentina.
In Italy Alfa Romeo Avio built both the Jupiter (126-RC35) and the Pegasus under licence, with the engine based on the Pegasus designated as the Alfa Romeo 126-RC34 with the civil version as the 126-RC10. [2] In Czechoslovakia it was built by Walter Engines and was known as the Pegas. [3] Approximately 32,000 Pegasus engines were built. [1]
The Rolls-Royce Heritage Trust Collection (Derby - UK) Mk 101 and Mk 593 and a Marine version. Museum of Science and Industry (Manchester) – Mk 202 (Engine is displayed as a Mk 201 but its ECU plate reveals it as a Mk 202) South Yorkshire Aircraft Museum, Doncaster, England - Mk.104 on loan from the Rolls-Royce Heritage Trust.