Drawing of a Centre Bearing Shell for a 2000c.c. engine.
| Identifier | ExFiles\Box 115\3\ scan0028 | |
| Date | 9th August 1937 | |
| DIAMOND BORE 4.128 DIA. 4.1285 OIL GROOVE 4 7/32 DIA. 4.3765 DIA. 4.376 19/32 3/16 3/64R. 3/32R. 1.477 1.480 R= .2343 .2353 1/2 4.750 BOLT CENTRES. 3/64 x 45° CHAMFER IN EACH HALF. FINISH MACHINE IN PAIRS AFTER SPLITTING. E.R.A. LTD. RACING AUTOMOBILES DATE Aug 9 - 37 CHECKED PASSED DRAWING OFFICE DIMENSIONS IN INS UNLESS OTHERWISE SPECD TOLERANCE ±.003 UNLESS OTHERWISE SPECIFIED ROUGH MACHINED - FINISH MACHINED ALL OVER GRIND G SCALE 1/1 MATERIAL: ALUMINIUM TIN HEAT TREATMENT Nº OFF PER SET: 1 ALTERATION Nº DRAWN: 8/37 TRACED CHECKED E.R.A. LTD. CENTRE BEARING SHELL (2000c.c.) DRG. Nº E {Mr Elliott - Chief Engineer} /10147. | ||
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).