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 of test results measuring water, oil, and air temperatures under various conditions, including different fuel mixtures and ignition settings.
| Identifier | ExFiles\Box 24\5\ Scan304 | |
| Date | 17th July 1930 | |
| -4- 15° Test double supply from bottom tank to water pump. Checked up against No.9 and 14 tests. Top water Temp. Bottom water Temp. Oil Temp. Air Temp. Water Lost. 84.5 78 77.5 19.5 84.5 78.5 79 19.5 .500 gall. 84.5 78.5 80 19.5 16° Commercial spirit. 60 M.P.H. temperature test. Top water Temp. Bottom water Temp. Oil Temp. Air Temp. 83.5 77.5 80 20.25 83 77 80 20 83 77 80 20.25 17° Commercial Spirit. Mixture 5 notches strong. 60 M.P.H. temperature test. Top water Temp. Bottom water Temp. Oil Temp. Air Temp. 81 75 81 20.25 80 74 82 20.25 78.5 73 82 20.25 79 73.5 82 20.25 18° Ignition retarded 6 notches. Conditions same as No.17 with no different results. This test had to be cut short owing to track being closed. G.W.Hancock. 17.7.30. | ||