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).
Line chart comparing engine head temperatures with different water pumps at 1000 and 3000 RPM.
| Identifier | ExFiles\Box 132\4\ scan0130 | |
| Date | 3rd March 1938 guessed | |
| SHEET (1) CHART OF TEMPERATURE AT OUTLET & LOCAL POINTS IN HEAD TEMPERATURE °C (1) = 6 PORT HEAD. CONTINENTAL WATER PUMP 3000 R.P.M. OUTLET TEMP (2) = 4 PORT HEAD. E.89206. OPENED UP WATERWAYS. STD. WATER PUMP 1000 R.P.M. OUTLET TEMP IN ALL CASES - 91°C FOR KEY FOR POSITION OF POINTS WHERE TEMPS WERE RECORDED SEE SHEET 2 | ||