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).
Test data on oil and water temperatures with radiator shutters opened and blocked, and a note on a knock.
| Identifier | ExFiles\Box 1\4\ B001_X 100a-page066 | |
| Date | 24th November 1932 guessed | |
| we obtained the following data of water temperature Shutters blocked opened Max speed Air temp Oil. Water 65 8.5°C 94° 58° 67 69 96° distance approx 10 miles With the shutters operating. Speed Air Oil Water 69 8.5° 104° 77°C 70 It will be seen that the oil temperature is affected as well as the water by the opening of the shutters We also found that the knock in the V8 front was a squawk coming from the ballend of the damper control | ||