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 connecting rod big end bearing.
| Identifier | ExFiles\Box 116\3\ scan0068 | |
| Date | 5th June 1937 | |
| 2.1260 DIAMOND BORE TO 2.1265 DIA. SHELLS TO BE MARKED IN PAIRS ON THIS EDGE. .2192 R .2182 5/32 R 5/32 R 68 ± .02 M/M CRS. 1 9/16 28 +.017 M/M -.005 1.103 1 1/4 1 9/16 .026 RAD. .032 2 1/2 DIA. 2.885 +.05 M/M 58 +.025 M/M DIA. 2.2835 G G G FINISH MACHINE IN PAIRS AFTER SPLITTING ALONG THIS LINE. 10° DIMENSIONS IN INS UNLESS OTHERWISE SPECD TOLERANCE ± .003 UNLESS OTHERWISE SPECIFIED ROUGH MACHINED MATERIAL: ALUMINIUM TIN. HEAT TREATMENT: Nº OFF PER SET: 6 E.R.A. LTD. J.HALDEN & CO LTD MANOR P.K. S.E.13. - FINISH MACHINED ALL OVER GRIND G SCALE 1/1 DRAWN: HWL 5/6/37 TRACED: CHECKED: CONNECTING ROD B.E. BEARING. DRG. Nº E/10016 A.{Mr Adams} ALTERATION Nº: STAMP: ENGLISH RACING AUTOMOBILES LTD. DRAWING OFFICE DATE: Aug 2-37 CHECKED: J PASSED: A | ||