Aviation

All you need to know about The ‘World’s 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.

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.

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.

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

Info Courtesy : GE Aviation. Daily mail,

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Aviation

Boeing, Antonov to Collaborate on Defense Projects

– MOU represents Boeing’s commitment to work with Ukrainian industry

– Includes exploring opportunities for collaborating on in-country support of Unmanned Aerial Systems

A Memorandum of Understanding was signed today by Boeing and Antonov Company to investigate potential collaboration on defense-related projects.

“We’re happy to keep collaborating with the Antonov Company to help Ukraine’s economic development and expansion,” stated Ted Colbert, CEO and president of Boeing Defence, Space, & Security.

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“This agreement demonstrates our ongoing efforts to find more opportunities to work with Ukrainian industry, which was underscored by our signing of the Ukrainian Defence Industry Compact earlier this year.”

The areas of potential collaboration identified in the agreement consist of training, logistical support and overhaul services for tactical Unmanned Aerial Systems utilized by the Ukrainian Armed Forces, which includes the ScanEagle. In addition, the companies will also explore opportunities for Antonov to provide engineering support to Boeing.

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“A strong, innovative, and efficient defense industry is key to sustainable economic development and national security, and we are extremely excited to collaborate with Boeing,” said Ievhen Gavrylov, CEO of Antonov Company.

This agreement brings a whole new level of opportunity to implement the latest and most effective solutions – in addition to the possibility of future projects with Boeing in the aerospace and defense industry.”