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).
The improved lubrication of the propeller shaft centre bearing.
| Identifier | ExFiles\Box 148\4\ scan0131 | |
| Date | 19th July 1939 | |
| PV/MS c. Rm.{William Robotham - Chief Engineer} 1262 DA.{Bernard Day - Chassis Design}14/G.19.7.39. B.5 and B.50. Please receive herewith :- G.CD.1464 Improved Lubrication of Propeller Shaft Centre Bearing. On the above scheme, to ensure a satisfactory grease seal, a grease container and cover, having a wider spigot than that on G.CD.1389 has been shewn. The two Acme type grooves shewn on G.CD.1389 to retain the grease, have been replaced by Acme type threads on the distance piece. The scheme should first be tried without the shields, as it is intended that these should be fitted only if found necessary. DA.{Bernard Day - Chassis Design} GRY{Shadwell Grylls} | ||