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).
Fan drive ratio on the Buick, questioning the current figure for comparison.
| Identifier | ExFiles\Box 159\5\ scan0081 | |
| Date | 29th October 1940 | |
| Rm {William Robotham - Chief Engineer} /Clm. {D. D. Clapham} from Rm. {William Robotham - Chief Engineer} Rm. {William Robotham - Chief Engineer} 8/MI.29.10.40. memo K Shop 1373 I note that the fan drive ratio is almost 1/1 to reduce fan noise, on the Buick. What is our present figure? Rm. {William Robotham - Chief Engineer} | ||