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).
Page with a graph showing oil consumption and discharge versus engine RPM for different bearing feeds.
| Identifier | ExFiles\Box 72\1\ scan0104 | |
| Date | 12th June 1925 | |
| R.R. 493A (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT. -3- Expl. No. REF. HS{Lord Ernest Hives - Chair}/ACL/LG7.12.25. seven bearing feeds. The reduction was also noticed to be proportionately greater at the high speeds than at the low. From the curves given here it will be seen that the consumptions and flows, both for seven and three bearing feeds, are greater than the corresponding figures. Graph Text: Title: OIL CONSUMPTION & DISCHARGE THROUGH BEARINGS WITH 7 & 3 FEEDS. OLD ENGINE AU25 Legend: FULL LINES FOR 7 FEEDS. BROKEN LINES FOR 3 FEEDS. TEMP. OF OIL TO BRGS. 60° C Axes Labels: Left Y-Axis: OIL CONSUMPTION Pts/HR Right Y-Axis (Top): OIL PRESS lb/□" Right Y-Axis (Bottom): OIL DISCHARGE PTS/MIN X-Axis: R.P.M. | ||