The phrase "a mighty engine" is correct and usable in written English.
It can be used to describe something powerful or effective, often in a metaphorical sense, such as a driving force behind an idea or movement.
Example: "The internet has become a mighty engine of change in the way we communicate and share information."
Alternatives: "a powerful force" or "a strong driver".
And it matters because the Woodward publicity machine is a mighty engine.
It represents an eagle whose folded wings are like wraparound tracks, and whose ground-hugging, thrusting shape conjures the growl and shriek of a mighty engine.
Foreign investment of $350 billion since 2000 in the region has created a mighty engine of modern business in what are still attractively priced, politically stable countries close to rich-country markets.Russia helps the region too.
That difference -- about 12 times profits -- reflects Mr. Welch's success convincing investors that G.E.'s combination of industrial conglomerate and financial powerhouse has become a mighty engine that will grow faster than the rest of corporate America.
So when in 2005 it was decided to turn the gallery's home into flats, a mighty engine of grant applications and local authority fixing for a new venue was started up.
It is a good day when the mighty engine of science comes together to prove me right about something.
If sometimes the mighty engine of Pratchett's prose skids a bit on the upslope – a tad didactic here, a little heavy-handed in its moralising there – we can forgive him.
Like the big boys of interstate commerce, the Super CrewZer is powered by a mighty diesel engine, in this case the Caterpillar 3126B, which produces 300 horsepower and 860 foot-pounds of torque.
Drivers of electric cars might in future even be able to select different engine sounds, and maybe download them like ringtones.Although some drivers might want to cruise in an electric car thundering to the sound of a mighty V8 engine, it is not necessary and traffic police may have something to say about it.
But it is also a mark of the extent to which the once mighty engine of unionism has itself stalled.
But for a time, a sunlit heyday that lasted decades, Le Cirque was the epitome of a clubby Manhattan fine-dining scene whose snobbishness, far from undermining the enterprise, was the mighty engine of its success.
