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).
Graph comparing the toe of camshafts with a standard shaft profile.
| Identifier | ExFiles\Box 1\10\ B001_X106 TO X 110-page057 | |
| Date | 20th September 1923 | |
| TOE OF CAMSHAFTS REFERRED TO IN HS{Lord Ernest Hives - Chair}/RM{William Robotham - Chief Engineer}/KT 20-9-23 AND CURVES RM{William Robotham - Chief Engineer} PR 23-26 COMPARED WITH STANDARD TOE ON R.R SHAFTS RM{William Robotham - Chief Engineer} PR 28 VALVE LIFT CRANK ANGLE 4°=1.DIV. EX. BEGINS HERE. IN. BEGINS HERE. SCH: 1897 EX IN | ||