Machining an aerospace blisk - GIF

Machining an aerospace blisk.

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Previously:

Aerospace automated assembly machines - video
Aerospace nozzle additive manufacturing - GIF
British Aerospace Nimrod AEW3 early warning aircraft - photos
Thrust test of the Hanwha Aerospace L-SAM anti-ballistic missile kill vehicle - GIF

That looks like brass. And it machines like brass. I wonder if it is? Probably a decorative piece rather than something every meant to fly. Brass really doesn't have the strength-to-weight for rotate-y bits.