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).
Summary table of common vehicle complaints, number of cases, and proposed remedies.
| Identifier | ExFiles\Box 47\2\ Scan080 | |
| Date | 9th June 1928 guessed | |
| -4- Nature of Complaint. | No. of Cars. | Remarks. Fabric Coupling Failures. | W. 5. N. 22. P. - Total 27. Last qtr's. total - 18. | Improved method of attaching plates now standard on Production. Faulty Dynamos. | W. - N. 8. P. 2. Total 10. Last qtr's. total - 11. | A new dynamo has been standardized and we hope will reduce these complaints. Slipper Drive Seized. | W. 10. N. 11. P. 4. Total 25. Last qtr's. total - 8. | The Bakelite washers become seized probably caused by variation of lubrication. The oil grooves in the washers appear to be an improvement. Clutch Jaggers & Slipping. | W. 4. N. 9. P. 1. Total 14. Last qtr's. total - 17. | A 50% mixture of oil and paraffin will overcome the jaggers, but if overdone will cause slipping. Carburetter Flooding. | W. 3. N. 34. P. - Total 37. Last qtr's. total - 18. | Corrosion of faces of valve seatings. N. suggest seatings made of non-corrosive material. | ||