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).
Graph detailing the results of running temperature tests on white metal bearings, plotting temperature against breaking load.
| Identifier | ExFiles\Box 131\1\ scan0080 | |
| Date | 8th February 1933 guessed | |
| RUNNING TEMP TESTS. WHITE METAL BEARINGS. FAILURE POINTS. NO CONSISTENT DIFFERENCE IN BEARING LIFE WAS NOTICED BY VARYING OIL PRESSURE BETWEEN 5 & 25 LBS/口" METHOD OF TEMP. MEASURING EUREKA IRON COUPLE. TEMPERATURE °C 3600 R.P.M 3600 R P M 1150 R P M 2800 R P M 1150 R P M X R X'' R' 2.6" DIA. WHITE METAL BEARINGS PROJECTED AREA 2.6 口" OIL PRESSURE 25 LBS/口" BREAKING LOAD. LBS/口" Hs.{Lord Ernest Hives - Chair} 952 | ||