Rolls-Royce Archives
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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).
Notes on engine oil pressure issues and diagnostics for two specific cases.

Identifier  ExFiles\Box 16\1\  Scan006
Date  1st January 1907 guessed
  
Pressure of oil
60550 - set pump + suction pipes good. No fibres in liners but good fit. Engine new pressure set 10 lbs did not vary between 10 + 12 lbs at any speed. Sman well oil hot or cold. Dragged rather at 5 lbs until accelerated when it stuck at 10.
60553 ".012" liners in all bearings. Pressure when oil was cold varied during ordinary running conditions when hot settled to 5 (accel to 8) + could not be increased. 2 1/2 pints loose oil about. see (Record quantity of oil)
(found pump fixed on wrong way)
  
  


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