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).
Results of a test on the 6.B.1V cooling system on the road and at Brooklands Track.
| Identifier | ExFiles\Box 156\1\ scan0264 | |
| Date | 20th September 1937 guessed | |
| (1) RESULTS OF TEST ON 6.B.1V. COOLING SYSTEM ON ROAD AND BROOKLANDS TRACK. (a) During run to track. Mean water temp. (Outlet from engine) 81.5°C. Max. " " " " 83°C. Min. " " " " 80°C. Air Temp. 17°C. (b) At Brooklands. Thermostat open Top water temp. (steady after 3 laps) 77°C. Cyl.Head temp. ( " " " ) 77.5°C. Air Temp................................... 22.5°C. Critical air Temperature 45.5°C. Speeds - lap - 87.38 M.P.H. (1 min. 54.0 secs. ½ mile- 90.00 M.P.H. (20.0 secs.) Thermostat operating normally Top water temp. (after 3½ miles full throttle) 83°C. Cyl. head temp ( " " " " ) 83°C. Air Temp. 22°C. After 3½ miles full throttle, temp. commenced to rise steadily and removal of the thermostat indicated that it had lost its charge and filled with water. --- | ||