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Aircraft engine performance refers to factors including thrust or shaft power for fuel consumed, weight, cost, outside dimensions and life. It includes meeting regulated environmental limits which apply to emissions of noise and chemical pollutants, and regulated safety aspects which require a design that can safely tolerate environmental hazards such as birds, rain, hail and icing conditions.
High-thrust engines for wide-body aircraft, worth 40–45% of the market by value, will grow from 12,700 engines to over 21,000 with 18,500 deliveries. The regional jet engines below 20,000 lb (89 kN) fleet will grow from 7,500 to 9,000 and the fleet of turboprops for airliners will increase from 9,400 to 10,200.
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 General Electric TF39 is a high-bypass turbofan engine that was developed to power the Lockheed C-5 Galaxy. The TF39 was the first high-power, high-bypass jet engine developed. The TF39 was further developed into the CF6 series of engines, and formed the basis of the LM2500 and LM6000 marine and industrial gas turbine. On September 7, 2017 ...
The engine consists of a three-staged fan, seven axial stage compressor arrangement, single stage low and high pressure turbines, an augmentor, and produces maximum thrust of 16,000 lbf (71.2 kN) in the original F404-GE-400 model. The engine was designed with a higher priority on reliability than performance.
The list price was $12 million in 2011. [26] At the start of its production in 2016, each GTF was costing PW $10m to build, more than the sale price, but should become less than $2m per engine. [27] MTU provides the first four stages of the high-pressure compressor, the low-pressure turbine and other components.