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Standing in the machine hall of unit EC4: the spare gasturbine rotor.
Compare the size of the bike to the size of the rotor.
Total weight of the rotor (fully bladed) is appr. 79 tons.
See also this one.

The blades in front are a part of the gasturbine compressor, the powerturbine blades (three rows) are normally mounted at the other end; mostly we receive a new set prior to install the rotor in the turbine.

Here in LARGE....

My last nightshift; off until friday, hope Carst is still with us then; at this time he's not getting sicker; keeps amazing me....