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).
Statistical report on vehicle transmission and propeller faults across different models.
| Identifier | ExFiles\Box 47\2\ Scan360 | |
| Date | 22th October 1930 guessed | |
| -16- 20 HP. 25 HP. Ph.I. Ph.II TOTAL REMARKS. TRANSMISSION - REAR AXLE OIL LEAK. September quarter. 6 - - 14 20 Previous 7 - - 3 10 Six months. 13 - - 17 30 OIL LEAK FROM GEARBOX. September quarter. - - - 5 5 Depot Sheet Hm.{Capt. W. Hallam - Head Repairs}156 Previous - - - 6 6 Six months. - - - 11- 11 PROP. SHAFT SEIZED. September quarter. 2 3 - 7 10 Previous - - - 2 2 7 from N. under heading Oil leaks & squeaking included in this item. Six months. 2 3 - 7 12 PROPELLER - OIL LEAKS. September quarter. 2 2 - 4 8 Previous - - - 5 5 Six months. 2 2 - 9 13 | ||