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 note for adding core plug holes to the crankcase and cylinders of a B40 2 Litre Chassis.
| Identifier | ExFiles\Box 134\5\ scan0040 | |
| Date | 30th January 1940 | |
| RM.{William Robotham - Chief Engineer} 103/RE 1133 File 30.1.40 B40 2 LITRE CHASSIS SECTION 5000 RE.107. CRANKCASE AND CYLINDERS. (2 SHEETS.) ALTERATION CORE PLUG HOLES ADDED:- SHEET 2. TWO .625 DIA HOLES IN WALL AT EACH END TOGETHER WITH DIMENSIONS 14.290±18 1.875±18. AND 4.760±18 1 HOLE IN WATER PUMP FACING AND 1 HOLE IN OPPOSITE END, 1.125 DIA., TOGETHER WITH DIMS. 6.000±18 SHEET 1. HOLES SHOWN IN SECTION. SECTION AA.{D. Abbot-Anderson} HOLES SHOWN IN SECTION. TOGETHER WITH DIMS. DRILL 1.062±5 DIA .TAP 1.125 DIA. 20TPI. R.H, 1.500 DIA. AND 1 HOLE RECESSED 1.500+10 DIA x .050+10 DEEP. REASON PATTERN SHOP REQUEST PRINT TO PATTERNMAKER [Signature: Shaw] 1/2/40 | ||