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).
Phantom III fan spider failure due to incorrect material specification.
| Identifier | ExFiles\Box 94\5\ scan0085 | |
| Date | 14th June 1939 | |
| 324 To HPS.{Horace Percy Smith - Experimental Factory Mgr} c. to HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth} Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards}12/JH.14.6.39. Phantom III Fan Spider. We have recently had a fan spider fail at Messrs. Ferodo's and laboratory analysis shows that the material was to specification 202A instead of 239A as called for. We should be glad if you would check up that this does not occur again. Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards} | ||