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).
Technical drawing of a Rocker Shaft R7 Type RH.

Identifier  ExFiles\Box 28\2\  Scan061
Date  30th June 1930
  
ROCKER SHAFT R7 TYPE RH{R. Hollingworth}, MATERIAL: 3 1/2% NICKEL STEEL S69c SPECIALLY HEAT TREATED, MACHINE WHERE MARKED, GROUND WHERE MARKED G, ALL DIMENSIONS NOT LIMITED TO BE ±.010, VIEW FROM SCREWED END, SERRATION THUS TO COME ON ¢, HOLD TO TOP LIMIT, FOR THIS DIMENSION SEE SHEET 2, ADAMANT STANDARD SERRATED CONE, 48 SERRATIONS SEE P1790, NOTE POINT OF INTERSECTION OF THESE TWO ¢S MUST BE AT POINT SHOWN ON DRAWING, SECTION AA{D. Abbot-Anderson} IN DIRECTION OF ARROW A, SECTION BB IN DIRECTION OF ARROW C, RADIUS THESE CORNERS, VIEW FROM BODY END, SECTION BB IN DIRECTION OF ARROW B, 1/2 BRITISH STANDARD SERRATIONS, CUTTER FOR MILLING FORK 4 3/4 FLAT DIA, P2271, CHKD. J.H. Bkh, Revision Table:, HOLD TO TOP LIMIT ADDED TO ¢ .75 DIA 12-5-30, 1/4 DIA SPOTFACE WAS 1/8 DIA, 1.9425 ±.010 ADDED 10-12-30, 3.468 ±.010 was 1 11/32. 4.096 ±.010 was 13/32 2-1-31, 3/16 HOLE MOVED 1/8" 23-2-32
  
  


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