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 of complaints for the 25 HP model, detailing the number of cars affected and remarks on the issues.
| Identifier | ExFiles\Box 47\2\ Scan306 | |
| Date | 1st July 1930 guessed | |
| 25 HP. Nature of Complaint. | No. of Cars. | Last Qtr's. Total. | Remarks. Engine Slipper Drive varying in load, causing Engine Gear Rattles and Knocks. | W. 1. N. 2. P. -. Total 3. | Not recorded. | See remarks 20 HP. Exhaust Blows Manifold. | W. 2. N. 2. P. -. Total 4. | Not recorded. | See remarks 20 HP. Hydraulic Shock Absorber Knocks. | W. 4. N. 6. P. -. Total 10. | Not recorded. | See remarks 20 HP. Servo Jaggers and Brake Thuds. | W. -. N. 3. P. -. Total 3. | Not recorded. | Br.{T. E. Bellringer - Repair Manager} reports that the trouble is due to rust on the guide pins, and there is no method of lubricating these parts. They were cured by dismantling, cleaning and easing. Springing Complaints. | W. 3. N. 1. P. 1. Total 5. | Not recorded. | See remarks 20 HP. | ||