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).
Blueprint for a bush component with drilling and chamfer specifications.
| Identifier | ExFiles\Box 5\6\ 06-page044 | |
| Date | 20th December 1928 | |
| OPERATION MACHINE TOOL TOOL Nº WOODRUFF KEYWAY AUTO FLAT FORM A45217 CENTRELESS GRIND C.G. M/C WHEEL SEE NOTE A45218 CENTRELESS FINISH GRIND C.G. M/C WHEEL SEE NOTE A45218 (G.L. 38487) C5345S CHAMFER .025+.01 AT 45° BOTH ENDS 1.100 +.10 -.10 INTERNAL CHAMFER .050+.01 AT 45° +.2°-.2° BOTH ENDS 1.4375 DIA .250+.01 DIA E OF OIL HOLE MARKED A 70° IT IS IMPORTANT THAT HOLES A & B SHOULD BE IN THE RELATION SHOWN IN THIS VIEW GL.{G. Linnett}264 NSCHASIS REPLACE ALL COPIES TO PATT. FORGE S.R. 1 HOLE DRILL .125+.01 DIA AFTER MARKING POSITION OF HOLE B BUSH TO BE ASSEMBLED PREVIOUS TO DRILLING .250 DIA HOLE. CENTRE OF HOLE TO BE MARKED WHILE IN POSITION. BEFORE REMOVING & DRILLING A LINE SHOULD BE SCRIBED ACROSS EXTERNAL FACE OF BUSH AND BOSS ON GEAR BOX, TO ENSURE BUSH BEING IN ITS CORRECT ANGULAR POSITION WHEN REASSEMBLING AFTER DRILLING. C5345S TITLE. BUSH SCALE 1/1 MACHINE ALL OVER OR WHERE MARKED THUS ~ HEAT TREAT BRINELL STANTON MATERIAL A Y SPECº Nº 223.1 DRAWN TRACED CHECKED APPROVED LIMITS O.K. DATE 20.12.28 USED ON NCA.3 OFF SECTION 1 STAMP: MANUFACTURING LIMITS TO APPLY TO THIS DRAWING 8.1.29 | ||