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).
Technical notes on oil flow test rigs for 4¼ litre engines and rattles in steering column controls.
| Identifier | ExFiles\Box 107\2\ scan0026 | |
| Date | 25th August 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 by applied. 5. Rattles in steering column controls. Same remarks apply as in P.III. [Handwritten] Schur in test Mx.{John H Maddocks - Chief Proving Officer} | ||