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).
Radiator tests with temperature readings under various running conditions.
| Identifier | ExFiles\Box 78\3\ scan0155 | |
| Date | 12th June 1912 | |
| Radiator Tests x767 Standard radiator Orme Evans on standard chassis with louvred side strips and dashboard filled in. Average road with slight trailing wind. 1. With ordinary running 15 miles at the speed of 25 to 35 miles per hour 5 minute readings. Table 1 Headers: Atmospheric temperature, Water temperature, Floorboards underneath, Floorboards on top, Weight, Capacity Row 1: start 65°F, 70°C, 29°C, 23°C, 88 lbs. empty., 5.125 galls full. Row 2: 64°, 74°, 31°, 21° Row 3: 65°, 74°, 32°, 22° Row 4: 66°, 75°, 33.5, 24° Row 5: 66°, 74°, 34°, 24° Row 6: 66°, 74°, 34°, 24.5 2. Standard radiator etc. as above but engine doing full load 25 miles per hour. 1 minute readings. Table 2 Headers: Atmospheric temperature, Water temperature, Floorboards underneath, Floorboards on top, Weight, Capacity Row 1: Start 66°F, 75°C, 35°C, 24°C, 88 1/2 lbs empty, 5.125 galls full Row 2: 66, 78, 36, 23.5 Row 3: 67, 82, 37, 23 Row 4: 67, 87, 37, 22 Row 5: 67, 92, 37, 22.5 Row 6: 68, 95, 37.5, 22.5 Row 7: 68, Boiling, 38, 22.5 3. As No. 2 with bonnet off. 1 minute readings Table 3 Headers: Atmospheric temperature, Water temperature, Floorboards underneath, Floorboards on top, Weight, Capacity Row 1: Start 66°F, 75°C, 35°C, 29.5 C, 88 1/2 lbs empty, 5.125 galls full. Row 2: 66, 76, 35, 28.5 Row 3: 66.5, 78, 35, 28.5 Row 4: 67, 79.5, 35.5, 28.5 Row 5: 67, 82, 35.5, 28.5 Row 6: 68, 83.5, 35.5, 29 Row 7: 68, 84.5, 35.5, 29 Row 8: 68, 85, 36, 29.5 Row 9: 69, 85.5, 36, 29.5 Row 10: 69.5, 88, 36, 29.5 Row 11: 70, 88, 36.5 | ||