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).
Faults and complaints related to exhaust systems, engine timing gears, and valves.
| Identifier | ExFiles\Box 130\4\ scan0052 | |
| Date | 30th June 1936 guessed | |
| - 5 - EXHAUST BLOWS GENERALLY AND CUT-OUT SEIZED OR RATTLE. 25 HP. PH.II. TOT. GRAND TOTAL. REMARKS. June Quarter. C.C. 24 24 48) C.P. 16 9 25) 73 Due either to corroded or cracked silencer or seized sliding joint. Present exhaust system is more free from blows. Previous Quarter. C.C. 23 22 45) C.P. 7 11 18) 63 Six Months. 70 66 136 136 EXHAUST SYSTEM RATTLE. June Quarter. C.C. 30 - 30) C.P. 15 - 15) 45 Mainly rattles from flexible suspension. Previous Quarter. C.C. 38 8 46) C.P. 9 2 11) 57 SIX Months. 92 10 102 102 ENGINE - RATTLE FROM TIMING GEARS. June Quarter. C.C. 47 18 65) C.P. 14 8 22) 87 20/25 HP. Most of these complaints are on cars already fitted with cam balancing device. This is not a complete cure. 40/50 HP. Mainly knock from cam shaft and is cured by reducing end play. Previous Quarter. C.C. 44 23 67) C.P. 32 7 39) 106 Six Months. 137 56 193 193 VALVES STICKING June Quarter. C.C. - 11 11) C.P. - 5 5) 16 Modified exhaust valve guides are being used for complaints. Previous Quarter. C.C. 1 23 24) C.P. - 4 4) 28 Six Months. 1 43 44 44 | ||