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).
Notification regarding the re-issue of a temporarily strengthened 1st motion shaft for the Wraith gearbox.
| Identifier | ExFiles\Box 8\11\ 11-page138 | |
| Date | 25th November 1938 | |
| BI/NS.{Norman Scott} (struck through) c. Rm.{William Robotham - Chief Engineer} 628 DA.{Bernard Day - Chassis Design}10/G.25.11.38. WRAITH GEAR BOX. 1ST. MOTION SHAFT. Herewith is PD.310 Temporary Strengthened Shaft, which is now re-issued because of an undercut added to the end of the oil thread to enable it to be run out. Please replace all existing prints. FJH{Fred J. Hardy - Chief Dev. Engineer} DA.{Bernard Day - Chassis Design} | ||