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).
Three proposed engine improvements for filtration, oil cooling, and oil drawing.

Identifier  ExFiles\Box 141\2\  scan0165
Date  30th December 1938 guessed
  
①. IMPROVE filtration by putting a tube in crank main journals to keep sludge there
②. Improve the bottom half oil cooling.
③. Improve method of drawing oil from the bottom half leaving sediment to sink.
  
  


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