I have never seen one but was told about layered wrought iron hubs on the flywheels and flat drive belt wheels on steam engines verts that where used for building heating and ventilation. It was supposed to be easier to balance them and main thing I think Cheaper LoL.
Been there, probally broke it doing that
Been there, probably broke it, doing that!
I am not a lawyer, and never played one on TV!
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