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).
Alteration notice detailing dimensional changes for a steering cam roller assembly and its corresponding ball bearing race.

Identifier  ExFiles\Box 153\1\  scan0192
Date  10th January 1939
  
TO: HPS{Horace Percy Smith - Experimental Factory Mgr}, Rm{William Robotham - Chief Engineer}/FJH{Fred J. Hardy - Chief Dev. Engineer}
ALTERATION
(A) Dimensions for width of roller altered from 1.1676 to 1.1534 and clearance dimensions from .064 to .0708.
(B) Outside dimensions of race altered from .8437 dia. to .8623 dia.
2 Prints to HPS.{Horace Percy Smith - Experimental Factory Mgr}
1 " " Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} for Makers.
INTRODUCED
REASON
(A) To suit new dimensions for Roller.
(B) To give a clearance of .003 between balls and race.
REQUEST: Messrs. Hoffmann & Co.
DEPT:
SECTION D.O.: "F" DP
APPROVED BY: BY/HEB.{H. Biraben}
ALTERATION NO: 18284/F.{Mr Friese}
DATE: 10.1.39.
PIECE NO. (A): 189828
TITLE: Steering - Cam Roller Assmy.
PIECE NO. (B): 189829
TITLE: Ball Bearing Race - Cam Roller.
MODEL: Ph:III (Expl)
SECTION: 7050
R.R. 281
  
  


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