Imagine dropping this shaft on the floor:

That’s a high pucker factor situation.

Just considering the amount of high accurcy machining labour done on that thing. It’s indistinguishable from an artwork.

Wonder what the tolerances are. That is a big piece to fixture.

This is an industry marketing / blogspam article which only exists to pad out the marketing efforts of the company making the turbine.

It’s not news, and it’s only presenting the viewpoint of the company who is marketing themselves.

The tolerances are probably the same as aircraft at the minimum. Most likely uses similar tolerance to the space program. You wouldn’t even think of trying to remachine if it had a energetic collision.