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Rolls-Royce based the 10-stage HP compressor on an 8-stage run in the RB401 in the mid 1970's followed by a 9-stage run in the RJ.500. The V.2500 would use 10 stages, with the first 4 with variable stators, giving a pressure ratio of 20:1. [4] A single-stage booster was also part of the original configuration.
The Rolls-Royce RB.41 Nene is a 1940s British centrifugal compressor turbojet engine. The Nene was a complete redesign, rather than a scaled-up Rolls-Royce Derwent , [ 1 ] with a design target of 5,000 lbf (22 kN), making it the most powerful engine of its era.
Data from Rolls-Royce General characteristics Type: Twin-spool turboshaft/turboprop Length: 37.6 inches (96 cm) Diameter: 21.5 inches (55 cm) Dry weight: 201 pounds (91 kg) Components Compressor: Single-stage centrifugal Turbine: 2 stage GP, 2 stage PT Performance Maximum power output: 240–300 shaft horsepower (180–220 kW) Overall pressure ratio: 6.2 Power-to-weight ratio: 0.67 pounds per ...
The Rolls-Royce RB.37 Derwent is a 1940s British centrifugal compressor turbojet engine, the second Rolls-Royce jet engine to enter production. It was an improved version of the Rolls-Royce Welland , which itself was a renamed version of Frank Whittle 's Power Jets W.2B.
The Rolls-Royce Merlin is a British liquid-cooled V-12 piston aero engine of 27-litre (1,650 cu in) capacity. Rolls-Royce designed the engine and first ran it in 1933 as a private venture. Initially known as the PV-12 , it was later called Merlin following the company convention of naming its four-stroke piston aero engines after birds of prey .
The Rolls-Royce BR700 is a family of turbofan engines for regional jets and corporate jets. It is manufactured in Dahlewitz , Germany , by Rolls-Royce Deutschland : this was initially a joint venture of BMW and Rolls-Royce plc established in 1990 to develop this engine.
In 1947 Geoff Wilde, a Rolls-Royce compressor designer, had applied for a patent "Axial flow compressor regulation" "to provide a compressor with a wide speed-range of operation". [6] An experimental 12-stage compressor was built with the inlet guide vanes and first four rows of stator blades adjustable to lower the air incidence angles while ...
In 1999, the rotating compressor business was sold to Rolls-Royce and Cooper Energy Services merged with Nickles Industrial Manufacturing and purchased Elliot Turbocharger Group, Inc. [2] In 2001, Cooper Energy Services and Cooper Turbocompresor combined to form Cooper Compression, which was later named Compression Systems in 2005. [2]
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