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 discussing the temperature rise of oil flow through engine bearings.
| Identifier | ExFiles\Box 72\1\ scan0110 | |
| Date | 1st December 1925 | |
| R.R. 493a (50 H) (D.D. 31. 12-6-25) J.H.D. EXPERIMENTAL REPORT. -9- Expl. No. REF HS{Lord Ernest Hives - Chair}/ACL/LG7.12. 25. entirely due to the passage of oil through the bearings because a certain amount of heat can be picked up from the hot pistons and cylinder walls. Nevertheless, they give a reliable comparison of temperature rise between the different oil flows. Note. Curves shown thus ______ for 7 brgs.feeds. New engine. " " " ----------- " " " Old engine. " " " _._._._._._ " 3 " " " | ||