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).
Note on gearbox faults, including a double note sound and top gear slipping.
| Identifier | ExFiles\Box 75\1\ scan0245 | |
| Date | 30th November 1921 | |
| X.4247 Extract from Hm{Capt. W. Hallam - Head Repairs}1/W30.11.21. GEAR BOX X.4247. There is a distinct double note when on second speed on hill, one high and the other low, one note coming from the side shaft and the other from the gear itself. Top gear slips out on down gradients. Hm.{Capt. W. Hallam - Head Repairs} | ||