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How Powerful Really is the World’s Largest Jet Engine?

It’s not even the most powerful.... but perhaps it's the largest jet engine.

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Jet Engine


General Electric Aviation is home to the world’s largest jet engine, the GE9X.

After its testing started in April, it was find out that the jet made a hit of 105,000 pounds of thrust, which was discovered at GE’s test stand in Peebles, Ohio.

This will be placed under each of Boeing’s next-generation wide-body jet.

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GE Aviation engineers seek the help of other GE businesses with experience in building big machines to help out.

Workers at GE Oil & Gas in Massa, Italy were tapped to help in testing the engine’s compressor. GE Power’s brand new factory’s massive computer-controlled mill in Greenville, South Carolina machined the engine’s compressor blades.

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But how powerful really is the world’s largest jet engine?

It was in 194 where GE engineers, a top-secret group, built I-A which is the first American jet engine.

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It produced just 1,300 pounds of thrust. The second production engine released a few years later, the J33, generated 4,200 pounds. GE Aviation’s F414 engines power a range of fighter jets, which generates 22,000 pounds of thrust each F414 engine.

The Air Force One fleet use Cf6-80C2 engines, which can pull off 61,960 pounds each.

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The new Air Force One, which will replace the existing fleet, will have four GEnx-2B engines which can produce 66,500 pounds each.

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In comparison, though, the largest jet engine is not the most powerful but its parent, the GE90 which sets the record by producing 127,900 pounds of thrust.

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The General Electric GE9X is a high-bypass turbofan developed by GE Aviation exclusively for the Boeing 777X.

It first ran on ground in April 2016 and first flew on March 13, 2018; it powered the 777-9’s maiden flight in early 2020.

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It received its Federal Aviation Administration (FAA) type certificate on September 25.

Derived from the General Electric GE90 with a larger fan, advanced materials like ceramic matrix composites (CMCs), and higher bypass and compression ratios, it should improve fuel efficiency by 10% over its predecessor.

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It is rated for 110,000 lbf (490 kN) of thrust.

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Engr. Tam Van Loan
Technical Recruiting Manager at Vietnam Airlines. I am a mechanical engineering graduate from University of Engineering and Technology, VNU. Likes travelling, blogging and building mechanical lego stuff, Yikes! Follow me on


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