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).
Instructing a change to a different cylinder head for the 'D' series due to casting supply issues.
| Identifier | ExFiles\Box 132\4\ scan0119 | |
| Date | 17th December 1937 | |
| L Sec Rm.{William Robotham - Chief Engineer} [REDACTED] 214? 1124 BY.27/G.17.12.37. FOUR-PORT CYLINDER HEAD. Referring to your memo RHC.{R. H. Coverley - Production Engineer}8/MJ.16.12.37. pointing out good castings cannot be obtained for the ? four-port head already instructed for the 1st. in 'D' series, but good castings can be made for the head with increased water space. In view of the facts quoted I see no alternative but to instruct the latest head for the 1st. in 'D' series, and have arranged accordingly. BY.{R.W. Bailey - Chief Engineer} | ||