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).
Diagram comparing bearing pressures on 7, 4, and 3 bearing crankshafts.
| Identifier | ExFiles\Box 111\2\ scan0226 | |
| Date | 27th August 1937 guessed | |
| DIAGRAM OF BEARING PRESSURES 7, 4 & 3 BEARING C'SHAFTS 1 2 3 4 5 6 7 1 2 3 4 1 2 3 MAX PRESSURE DUE TO EXPLOSION MAX PRESSURE DUE TO DYNAMIC FORCES/ | ||