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).
Notes on engine oil pressure issues and diagnostics for two specific cases.
| Identifier | ExFiles\Box 16\1\ Scan006 | |
| Date | 1st January 1907 guessed | |
| Pressure of oil 60550 - set pump + suction pipes good. No fibres in liners but good fit. Engine new pressure set 10 lbs did not vary between 10 + 12 lbs at any speed. Sman well oil hot or cold. Dragged rather at 5 lbs until accelerated when it stuck at 10. 60553 ".012" liners in all bearings. Pressure when oil was cold varied during ordinary running conditions when hot settled to 5 (accel to 8) + could not be increased. 2 1/2 pints loose oil about. see (Record quantity of oil) (found pump fixed on wrong way) | ||