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 vehicle complaints, the number of cars affected, and the corresponding remedial actions or design status.
| Identifier | ExFiles\Box 47\5\ Scan180 | |
| Date | 4th May 1928 | |
| -3- Nature of Complaint. | No. of cars prior to IndiaIndia. | IndiaIndia Series. | Remarks. Brakes. Squeaking. | W. - N. 1. P. - total 14. | W. 4. N. 9. P. - Last qtr's. total - total 23. | An 80% cure has been found for pre-IndiaIndia cars by fitting an anti-squeaking device. The IndiaIndia chassis is chiefly front wheel squeaks. The fabric, after being in use for some time, forms a hard and dry glazed surface. Squeak dampers for front brakes have now been standardised. Overoiling. | W. 5. N. 2. P. - total 19. | W. 6. N. 3. P. - Last qtr's. total - total 22. | Production cylinders are now honed and this cures overoiling. Exhaust Pipe Brackets. | W. 5. N. 2. P. - total 27. | W. 5. N. 22. P. - Last qtr's. total - total 12. | Design unaltered. Dynamo Drive Rattle. | W. - N. - P. - | W. 9. N. 5. P. - total 14. | Improved method of quietening timing gears. Also improved cleaning method by using the Delavel oil cleaning system. Noisy Engine Gears. | W. - N. - P. - | W. 4. N. 3. P. - total 7 Last qtr's. total - included above. | Design unaltered. 17340 | ||