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).
Quarterly summary of reported vehicle faults, detailing issues with bonnets, spark plugs, magnetos, and engine couplings.
| Identifier | ExFiles\Box 146\2\ scan0051 | |
| Date | 28th September 1934 guessed | |
| -5- 17. BONNET RATTLES OR NOISY December quarter C.C; 3 I 4 O.P. Previous quarter C.C. I I C.P. --------------------- Six months 4 I 5 --------------------- December quarter GHG.32 -18750 Kms.- Refitted bonnet & packed the Ferodo strips. 5.UK - 27242 Kms.- Readjusted bonnet GYH.71 - 8.400 Kms.- Readjusted the bonnet GUL. 4 - 30 HP. 5.046 Kms. Refitted bonnet. September quarter GPG.67 - 11800 Kms.- Refitted bonnet. 18. DEFECTIVE SPARKING PLUGS December quarter C.C. I I O.P. Previous quarter C.C. C.P. --------------------- Six months I I --------------------- December quarter GYZ.40 - 29500 Kms.- Fitted a set of Bosch plugs type DM.{D. Munro}145/I 19. MAGNETO NOISY OR DEFECTIVE December quarter C.C. 2 2 O.P. Previous quarter C.C. C.P. --------------------- Six months 2 2 --------------------- December quarter 79.RY - 40679 Kms.- Misfires. Rewound the armature & changed condenser. Owner charged for dismantling & cleaning of magneto etc.. 159.RY - 13153 Kms.- Failure of magneto Rewound armature & fitted a new collector ring for pick up brush. 20. ENGINE COUPLING FRAYED. December quarter C.C. O.P. Previous quarter C.C. I I C.P. --------------------- Six months I I --------------------- September quarter 126.MY - 52160 Kms.- Fitted new engine coupling. Charged owner 2/3 rds. of cost of work. | ||