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).
Graph of altitude corrected critical air temperatures for three radiators from altitudes of 0 to 10,000 feet.
| Identifier | ExFiles\Box 149a\2\ scan0332 | |
| Date | 7th January 1936 | |
| ALTITUDE CORRECTED CRITICAL AIR TEMPS FOR ALTITUDES FROM 0 TO 10,000 FT. ALTITUDE CORRECTED CRITICAL AIR TEMP - °C ALTITUDE - FT. 1ST RADIATOR CRITICAL AIR TEMP = 50° C 2ND RADIATOR CRITICAL AIR TEMP = 40° C 3RD RADIATOR CRITICAL AIR TEMP = 30° C A Ellenden 7/1/36 | ||