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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).
Decision regarding the level plug, filler, and breather plugs for the Wraith Axle Centre.

Identifier  ExFiles\Box 7\3\  X 602 Axle Rear-page44
Date  2nd September 1937
  
To Da.{Bernard Day - Chassis Design} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}
c. By.{R.W. Bailey - Chief Engineer}

602

Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}4/AP.2.9.37

WRAITH AXLE CENTRE

This is to put on record, the decision that the level plug should be screwed direct into the end plate, which latter is spot faced so as to leave the maximum metal possible, never less than .312.
The filler and breather plugs will be exactly as on P.III.

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


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