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Tests of six condensers comparing oil silk and tape insulation, noting high leakages.


Identifier  ExFiles\Box 165\5\  img110
Date  28th July 1933
  
x 6113

By {R.W. Bailey - Chief Engineer} /Rd. From Hs {Lord Ernest Hives - Chair} /Wst.

Hs {Lord Ernest Hives - Chair} /Wst.8/MA.28.7.33.

Our tests on the 6 condensers you sent to us show there is very little difference between the use of oil silk and tape on the condensers.

We could only show a slight difference between the tape and the oil silk the tape being the worst as regards insulation resistance.

The leakages however on these condensers of both types are still very high, so that we must look elsewhere for the source of trouble.

We are going into the matter very carefully and are examining the condensers in order to ascertain what is causing the trouble.

Hs {Lord Ernest Hives - Chair} /Wst.
  
  
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).


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