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).
Request to fit Wraith fan blades made of 'Duralumin' to a Bentley III fan flange for testing by Ferodo Ltd.
| Identifier | ExFiles\Box 99\3\ scan0017 | |
| Date | 21th November 1938 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Std. Will you please fit Wraith fan blades of the latest shape but in "Duralumin" material, to the Bentley III fan flange which we hand you herewith. We require these as soon as possible for rig tests by Messrs. Ferodo Ltd. We would also point out that we are still awaiting the Bentley III fan blade set with "Duralumin" blades which was requested in our Rm{William Robotham - Chief Engineer}/Std.9/MH.{M. Huckerby}28.10.38. Will you please urge this as testing on Messrs. Ferodo's rig is held up until we receive this fan. Rm{William Robotham - Chief Engineer}/Std. | ||