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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).
Complaint of wear on oil pump spindles, proposing an experiment to test a carbon steel gear against a nickel steel gear.

Identifier  ExFiles\Box 149\2\  scan0173
Date  28th January 1938
  
1265

HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}
c. HPS{Horace Percy Smith - Experimental Factory Mgr}/WB.{Mr Brazier/Mr Bell}

Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}2/AP.28.1.38

CHASSIS OIL PUMPS.

The Repair Dept. have complained of frequent cases of wear of oil pump spindles. By.{R.W. Bailey - Chief Engineer} suggests this is due to the use of nickel steel and wishes us to build up a pump with one gear in nickel steel and the other in .45 Carbon Steel. A Rig Test will quickly show whether the carbon steel is an improvement. Will you please carry out this experiment.

Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}
  
  


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