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).
Engine faults with complaint statistics for different models and remarks on resolutions.
| Identifier | ExFiles\Box 130\1\ scan0229 | |
| Date | 14th May 1935 guessed | |
| - 6 - ENGINE - RATTLE FROM TIMING GEARS. 25 HP. PH.II. TOTAL. GRAND TOTAL. REMARKS. March Quarter. C.C. 35 13 48) C.P. 27 9 36) 84 20/25 HP. Synchromesh cars. Cam balancing device now standardised on new cars and design for existing cars is available to overcome gear rattles. 40/50 HP. Mainly knock from cam shaft and is cured by reducing end play. Previous Quarter. C.C. 54 26 80) C.P. 15 8 23) 103 Six Months. 131 56 187 187 ENGINE - VALVE SPRINGS BROKEN OR WEAK. March Quarter. C.C. 2 - 2) C.P. 2 - 2) 4 Previous Quarter. C.C. 2 2 4) C.P. - - - 4 Six Months. 6 2 8 8 VALVES STICKING. March Quarter. C.C. 1 5 6) C.P. - 6 6) 12 Parallel guides and increased diameter valve stems and longer undercut are now being used on Production and for complaints. Previous Quarter. C.C. - 7 8) C.P. - 5 8) 13 Six Months. 2 23 25 25 | ||