Rolls-Royce Begins Building The World’s Largest Aircraft Engine

Industry-leading British aerospace manufacturer Rolls-Royce has announced that it has begun constructing the world’s largest aircraft engine. Having already developed the popular ‘Trent’ engine family, it has also made a start on the demonstrator for its new ‘UltraFan.’ It hopes that the 140-inch (3.5 m) wide engine will be complete by the end of the year.

This is a companion discussion topic for the original entry at

Yes there will actually be an engine that is bigger!

Hopefully it sounds good


@clayviation you like LEGO ®

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Now that’s pretty damn nice!

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Is that the new largest engine?

Apparently so

Oh I didn’t realize this was a topic about the new largest engine lmao, I thought we were in random chat

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Haha no problem Pretty impressive right?

yeah but GE is still better

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I like CFM

me like smol JT8Ds

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correct title

Rolls-Royce (RR) begins building its largest engine that will 100% guaranteed shut down midflight