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).
Notes on oil flow test rigs for 4¼ litre engines and rattles in steering column controls.
| Identifier | ExFiles\Box 131\2\ scan0290 | |
| Date | 25th October 1938 guessed | |
| -8- (B) 4¼ litre. Oil flow test rigs are now available for determining the condition of bearings without dismantling. When attention is necessary as indicated by excessive leak, the complete modification C. should in all cases be applied. 5. Rattles in steering column controls. Same remarks apply as in P.III. Mx.{John H Maddocks - Chief Proving Officer} | ||