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).
Data table showing oil temperature, pump delivery, and heat transfer test results at various RPMs.
| Identifier | ExFiles\Box 144\3\ scan0025 | |
| Date | 13th February 1934 guessed | |
| -2- | RPM. | Oil Inlet Temp. | Oil Outlet Temp. | Temp Rise oC. | Time for 1 gall (secs) | Pump Delivery lbs/min. | Heat to oil BTU's/min. | Mean of last column. | |---|---|---|---|---|---|---|---| | 3000 | 82.5oC | 102oC | 19.5 | 6.7 | 41.0 | 720 | | | 3000 | 85.0oC | 105oC | 20.0 | 7.0 | 39.2 | 705 | 716 | | 3000 | 86.5oC | 107oC | 20.5 | 7.0 | 39.2 | 722 | | | 2500 | 75.5oC | 96oC | 20.5 | 7.6 | 36.1 | 667 | | | 2500 | 77.0oC | 98oC | 21.0 | 8.1 | 33.9 | 641 | 654 | | 2500 | 79.0oC | 100.5oC | 21.5 | 8.1 | 33.9 | 656 | | Hs{Lord Ernest Hives - Chair}/C.S. Steadman | ||