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).
Series of temperature and performance tests at 60 M.P.H. under various conditions.
| Identifier | ExFiles\Box 11\3\ 03-page211 | |
| Date | 17th July 1930 | |
| -4- 14° Radiator shutters taken off. Temp. test at 60 M.P.H. Checked up against No. 9 test. Top water temp. Bottom water temp. Oil temp. Air temp. 83.5 78 76 19.5 83 77.5 77.5 19.5 83 77.5 78 19.5 15° Test double supply from bottom tank to water pump. Checked up against No. 9 & 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 u 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 8 notches. Conditions same as No. 17 with no different results. This test had to be cut short owing to track being closed. G H Hancock 17/7/30 | ||