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).
Fitting a single belt fan drive and a Cadillac fan to a Phantom III No.8 test unit.
| Identifier | ExFiles\Box 94\5\ scan0016 | |
| Date | 31th October 1930 | |
| To RHC.{R. H. Coverley - Production Engineer} X374 Rm{William Robotham - Chief Engineer}/Std.7/JH.31.10.30. Phantom III Fan Drives. Will you please fit the single belt fan drive scheme (to Rm.{William Robotham - Chief Engineer}223) which you have completed to No.8 unit which is shortly going on the test bed. We should like you to fit this drive up with the Cadillac fan (rigid type) which you are completing. Rm{William Robotham - Chief Engineer}/Std. | ||