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).
Secret memorandum detailing modifications to the EAC.2 crankcase to suit longer connecting rods.
| Identifier | ExFiles\Box 65\4\ scan0002 | |
| Date | 6th March 1924 | |
| (Handwritten at top): -X.9000- X8000 To BY.{R.W. Bailey - Chief Engineer} from E.{Mr Elliott - Chief Engineer} c. to CJ. HS.{Lord Ernest Hives - Chair} S E C R E T. E2/M3.6.24. E.A.C.11. CRANKCASE. (Handwritten): X.9000 & X8000 We send you herewith drawing No. LeC.1878., shewing the EAC.2. crankcase increased in height 1" to suit the longer connecting rods. You will notice that we have raised the walls vertically with this amount adding to the height of the valve tappet chamber. Lightening holes are suggested in the longitudinal wall of the valve tappet chamber and it is possible that these might be of some assistance in the foundry. We do not mind however if they are not used. E.{Mr Elliott - Chief Engineer} | ||