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).
Log of under-bonnet, water jacket, and radiator inlet temperature readings.
| Identifier | ExFiles\Box 91\1\ scan0365 | |
| Date | 20th June 1936 | |
| 25th June 1936 20th June 1936 (02/2 Average Outside Air Temp. for day Average Outside Air Temp. for day 27.1°c 27.1°c Under Bonnet Air Temperatures taken every 20 Miles. BETWEEN BLOCKS. OUTSIDE BLOCKS. 62°c } Supply Pipe 61° } 63° } Inside Block. 62° } 60°c 61° 65° 62° 61° 68°c } Supply Pipe 70° } 65° } Outside Block 67° } 60° 56° 58° 60° 60° 65° -------------------- Water Jacket Temps. Radiator Inlet Temps. 100°c 98°c 90° 88°c 97° Readings 90° 100° every 96° 98° 20 miles 92° 100° 94° 94° 92° 100° 96° 99° 96° Average Outside Air Temp..... 27.1°c -------------------- HF{H. W. Frost - Coachwork Inspector} Hamilton | ||