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All you need to know about The ‘World’s Largest Jet Engine’

Largest Jet Engine

Biggest Aircraft Engine In the World General Electric’s GE90-115B, with a diameter of 3.25 metres, generating 115,000 pounds of thrust, is currently the biggest in the world. These engines are fitted on Boeing 777-300s,

  • In 1995 , First Introduced in British Airways 777

In 1995, the GE90 engine debuted aboard a British Airways 777 airplane along with commercial aviation’s first-ever carbon-fiber composite fan blades. Early GE90 engine models boasted outputs between 74,000 and 94,000 lbs. of thrust, and today it remains the world’s largest turbofan engine.

GE has continued to improve upon the GE90 design with larger variants (-110B and -115B) built exclusively for Boeing’s largest 777 models (777-200LR and 777-300ER). The GE90 is now the best-selling engine for that aircraft family.

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  • Composite fan blade, Measuring more than four feet long. 

With the GE90, GE introduced the composite fan blade—the first-ever in commercial aviation. Measuring more than four feet long and weighing less than 50 pounds, the GE90 fan blade is made from carbon fiber and a toughened epoxy matrix that delivers double the strength and one-third the weight of titanium.

The GE90 fan blade’s uniquely curved design makes it larger, lighter and more aerodynamic than traditional titanium blades for reduced engine weight and lower fuel burn. Plus, the aerodynamic design allows the GE90 fan blade to pull large amounts of air into the engine, making it quieter and more efficient while generating unrivaled thrust.

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  • World record thrust

The GE9X is made with parts from lightweight and ultra heat-resistant materials known as ceramic matrix composites (CMCs) that can operate at temperatures up to 2,400 degrees Fahrenheit. This allows the firm's engineers to keep the heat higher inside the engine, without having to burn through fuel or emissions

During certification testing in 2002, the GE90-115B engine set a world-record 127,900 lbs. of thrust. The GE90-115B ran for approximately 60 hours at triple red-line conditions (maximum fan speed, core speed and exhaust gas temperature) to evaluate the engine at its operational limits and demonstrate its capability beyond the most extreme operating conditions.

Testing of the engine is seen as a critical step towards development of the 777X aircraft family, a new version of the 777 ‘mini-jumbo’ with up to 406 seats that is due to enter service in 2020.

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Boeing asked GE to develop an engine strong enough to power its 777X jet, which has prompted other airlines, including Emirates, Lufthansa and Qatar Airways, to place an order.

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In total, the firm has received more than 700 requests for the engines, valuing at $29 million.

The GE9X is made with parts from lightweight and ultra heat-resistant materials known as ceramic matrix composites (CMCs) that can operate at temperatures up to 2,400 degrees Fahrenheit.

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https://youtu.be/nurk_4zpx-s

This allows the firm’s engineers to keep the heat higher inside the engine, without having to burn through fuel or emissions.

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Info Courtesy : GE Aviation. Daily mail,

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