Diagram of an engine oil system with specified pressures.
| Identifier | ExFiles\Box 158\4\ scan0278 | |
| Date | 14th December 1938 guessed | |
| L.P. OIL TO TIMING GEARS AND HYD. TAPPETS. MAIN H.P. OIL GALLERY. H.P. RELIEF VALVES. OVERFLOW TO SUMP. 5/8" DRILLING RIGHT THROUGH ENGINE TO FEED TAPPETS. H.P. H.P. OIL PUMP. SUCTION. DIAGRAM OF OIL SYSTEM. L.P. 5 LB/IN². H.P. 30 LB/IN². | ||
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).