ARAPUNI HYDRO
DISCOVERY OF FAULT. (Per Australian Press HAMILTON, April 13. It is belived that the cause of vibration in the No 1 generator at Arapuni which has been a source of mystery lor nearly two years, ha 9 been determined. Careful tests and calculations narrowed down the possible cause to Unbalanced hydraulic condition in the turbine, due, it is feared, to a snnill flaw in the manufacture of a runner "’hh'ii is a cyUndienl, spinning part, l.f this js the cfluse of the vibration, ret up by the unbalanced condition, it; this part,-of the machinery It would be easily transmitted to the generator in which the trouble first became ‘noticeable. No information could be gained as to the cause of the trouble from the power station supenintendent, or Arapuni engineers, but it was reliably learned from an outside source that the suspicions of experts are as stated.
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Hokitika Guardian, 13 April 1932, Page 5
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148ARAPUNI HYDRO Hokitika Guardian, 13 April 1932, Page 5
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