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The Rolls-Royce Pegasus is a British turbofan engine originally designed by Bristol Siddeley. It was manufactured by Rolls-Royce plc. The engine is not only able to power a jet aircraft forward, but also to direct thrust downwards via swivelling nozzles. [1] Lightly loaded aircraft equipped with this engine can manoeuvre like a helicopter.
The weight savings from deleting a bearing and associated parts listed below gave an engine with a thrust of 5,000 lbf but weighing only 800 lb. [2] [i] Eliminating the usual centre support bearing for the shaft joining the compressor and turbine meant the shaft would whirl, assuming a bowed shape, and damage the engine. Whirling was prevented ...
The four Rolls-Royce RB162 lift engines seen from the bottom of a nacelle. The design of the Do 31 was heavily reliant upon its engine configuration. Dornier had opted to incorporate the British-built Bristol Pegasus [note 1] vectored-thrust turbofan engine, an existing powerplant that was most famously used to power the Harrier jump jet.
Thrust vectoring, also known as thrust vector control ... An example of 2D thrust vectoring is the Rolls-Royce Pegasus engine used in the Hawker Siddeley Harrier, ...
Rolls-Royce Limited was a British luxury car and later an aero-engine manufacturing business established in 1904 in Manchester by the partnership of Charles Rolls and Henry Royce. Building on Royce's good reputation established with his cranes, they quickly developed a reputation for superior engineering by manufacturing luxury cars.
Instead of the Pegasus engine whose design dated back to the 1950s the design used the Rolls-Royce RB.422.48 with PCB fitted only on the front nozzles. [2] The design allowed the engine to be removed without needing to remove the wing as on the Harrier.
To meet the heavier weight of the aircraft, Rolls-Royce was expected to design a Pegasus engine variant that would have produced 4,000 lbf (18 kN) more thrust than the latest production variant at the time. The Harrier III would have carried weapons such as AIM-120 AMRAAM and AIM-132 ASRAAM missiles.
The first FADEC in service was the Rolls-Royce Pegasus engine developed for the Harrier II by Dowty ... Maximum thrust is available for emergency situations if the ...