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 thermometer test with results at 30 and 45 m.p.h.
| Identifier | ExFiles\Box 15\1\ Scan364 | |
| Date | 12th September 1930 | |
| To Hs.{Lord Ernest Hives - Chair} From GWH.{George W. Hancock - Head Chateauroux} X7250. X7250 X794/1 Rolls-Royce. 24-EX. 12.9.30. Two thermometers fastened, one each side of the matrix of the radiator so that bulbs of the thermometers were 6 ins. from top and 10 ins. from the right hand side. Thermometer "A1" being in front of the matrix, gives the air temperature after passing through the radiator. The bonnet and fan were removed. Results obtained at 30 m.p.h. Thermometers. Water Temp. A.1. A.2. Difference in Temp. Directn 65.C. 16.5 C. 25.C. 8.5 C. OUT 64. 16.5 26 9.5 OUT 67.5 17. 27. 10. IN. 67.5 17.5 27. 9.5 IN. At 45 m.p.h. 70. 17.5 25.5 8.5 OUT. 72. 17. 26.5 9.5 OUT. 69. 18. 27. 9. IN. 69. 17. 26.5 9.5 IN. Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux} | ||