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 showing the rise of air temperature through a radiator matrix against road speed for chassis 19 EX.
| Identifier | ExFiles\Box 16\2\ Scan037 | |
| Date | 16th September 1931 | |
| CHASSIS 19 EX. RISE OF AIR TEMPERATURE THROUGH RADIATOR MATRIX. MATRIX TUBES 6x7.5MM. WITH 4 INDENTATIONS. TESTS CARRIED OUT WITH NO BONNET OR UNDERSHIELDS FITTED IN TOP GEAR. ENGINE WATER TEMP. 63°C: --------o--------. ENGINE WATER TEMP. 85°C: -- -- --x-- -- --. AIR TEMP. RISE THRO' MATRIX (DEGREES C). ROAD SPEED (M.P.H.). 10. 20. 30. 40. 50. 60. | ||