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).
Progress report on Bentley bearing, oil consumption, cylinder head, and valve gear tests, along with single cylinder work.
| Identifier | ExFiles\Box 123\4\ scan0326 | |
| Date | 22th June 1937 | |
| -4- BENTLEY. Completion of bearing tests. Oil consumption tests. Endurance runs on various types of oils, particularly Duckhams and Castrol CW. Analysis of the T.T. cylinder head with standard compression ratio. Experiments to reduce valve gear noise. SINGLE CYLINDER WORK. Tests continued on the high power head, with the inclined inlet valve. Results promising, and report will be issued in due course. Rm.{William Robotham - Chief Engineer} | ||