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).
Requesting schemes and detail drawings for new 8-cylinder engine units.
| Identifier | ExFiles\Box 124\1\ scan0099 | |
| Date | 4th May 1939 | |
| IOHH To By.{R.W. Bailey - Chief Engineer} from Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} c. Da.{Bernard Day - Chassis Design} c. By/NS.{Norman Scott} Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}5/MH.{M. Huckerby}4.5.39. 8-CYLINDER UNITS. Will you please instruct for the necessary schemes and detail drawings to produce the following units. (1) Using bottom part of the Conventional crankcase pattern. This is already in existence as a separate piece in order to be suitable for either Conventional or High Power head as requested by us some time ago. (2) The top part of the pattern for alum dry liners. Original schemes for complete dry liner engine can be utilised. Alum castings to be taken off the combination of the above. The advantage of the above is that the bottom part pattern, the major portion, is already in existence, which, though for cast iron, will be suitable for experimental trial. (3) We only require one unit to be drawn and made to start with, and that one to have 3¼ bore and be 4.8 litres. The reduction in the bore dimension should be effected by extra material in the liners, so that the casting is not affected. (4) The Cast Iron Conventional head to be used in both units and each to be 7 : 1 C.R. by means of raised crown pistons. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||