Another run of the new steam turbine, this time on steam. As hoped, extremely quiet. Previous runs of jet nozzle and of Teslajet turbine required ear plugs at a distance. This turbine is at normal voice level at a few feet, without balance and without steam to condenser noise suppression. So when finished the turbine will be extremely quiet.
Vibration noise (slightly out of balance rotor creating the buzzing sound) will go away when balanced, and steam leaking around bearings (loudest hissing sound) wi
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