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).
Providing instructions to rebuild 'Hall's Engine' using specific bearing materials and altering the camshaft timing.
| Identifier | ExFiles\Box 90a\2\ Scan046 | |
| Date | 23th June 1934 | |
| To. RHC.{R. H. Coverley - Production Engineer} From Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} j7962 Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}4/MJ.23.6.34. Hall's Engine. Confirming our conversation, will you please rebuild this engine with White Metal main bearings and Lead Bronze big ends. Will you also please refit the R.{Sir Henry Royce} engine camshaft timed one tooth later than previously, i.e. 6° B.T.D.C. If the new followers are ready we should like to have them fitted with this R.{Sir Henry Royce} engine shaft. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||