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).
Vehicle faults including excessive oil consumption, engine bearing slack, and connecting rod replacements.
| Identifier | ExFiles\Box 146\2\ scan0266 | |
| Date | 30th June 1937 guessed | |
| ( 7 ) 3.1/2 Litre. 4.1/4 Litre Total. 12. Excessive Oil Consumption and over-oiling. (Continued) B-26-JD.{J. Draper - Frames} 3,545 Kms. Owner's complaint, about 400 MPG. Car still in owner's hands. To be attended to at later date if consumption does not improve. B-8-GA. Paris Trials Car. The oil consumption on this car has been heavy but for some reason has now righted itself. Sr. has sent a report to Rm.{William Robotham - Chief Engineer} All the above cars have large capacity oil pumps. 13. ENGINE BEARING. (4.1/4 L.) Reduced Liners to take up slack. Please refer to remarks on last quarter lists. June Quarter C.O. C.P. Previous Quarter C.O. C.P. II II Six Months. II II 14. FITTED A SET OF CONNECTING RODS WITH HALL'S METAL BEARING. (3.1/2 Litre). June Quarter C.O. 4 4 C.P. Previous Quarter C.O. C.P. 2 2 Six Months. 4 2 6 B-85-EJ. 32,779 Kms. During an R-20 engine clean, which owner paid for, we found the white metal big-ends to be unfit for further service. Fitted a set of Con-rods with Hall's Metal big-ends B-49-EJ. 29,302 Kms. Knock in engine. Fitted a set of Con-rods with Hall's Metal big-ends B-171-DK. 39,875 Kms. Fitted a set of Con-rods with Hall's Metal big-ends. Owner charged for an R-20. B-101-EJ. 31,871 Kms. as above. | ||