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I know that it's a big container holding a bunch of fan blades on the same rod that push air around at different speeds. But from what I found, the Trent 1000

I know that it's a big container holding a bunch of fan blades on the same rod that push air around at different speeds. But from what I found, the Trent 1000 (Rolls Royce engine for Boeing Dreamliner/787) cost $8B to develop and has 30,000 components in it. I just don't agree with you that the elegance of it's mechanism of action means that it's not insanely complicated in its implementation.

southern_cross 8y ago
And that component count no doubt includes very basic things like rivets and nuts and bolts and wires and connectors and so on. Maybe even the individual balls in the ball bearings, if they still even use such things. Probably also the individual electrical components in the control circuits and such. And how many individual fan blades are in them these days - hundreds, thousands maybe? Note the attached link; strip away all of the external pipes and wires and such (all part of the component count, no doubt), and what you're left with is mechanically relatively simple. A challenge to build and maintain, maybe, with tons of fan blades, but still pretty simple. https://en.wikipedia.org/wiki/Rolls-Royce_Trent_1000#/media/File:Goodwin_Hall_Entry_Rolls_Royce_T1000.jpg https://en.wikipedia.org/wiki/Rolls-Royce_Trent_1000#/media/...