Temperature test results for a 28-EX model with bonnet and front flaps closed, with temperatures measured in degrees centigrade.
| Identifier | ExFiles\Box 11\5\ 05-page082 | |
| Date | 23th April 1934 | |
| 23.4.34. 28-EX. TEMPERATURE TESTS. Note. Rad. Shutters working normal on all 4 tests. (1) BONNET CLOSED NORMAL. FRONT FLAPS CLOSED. Degrees Centigrade. Miles. Atmos. Temp. Oil Temp. Water Temp. Temp Under Bonnet. IN. 1 .. 13 .. 97 .. 75 .. 62 2 .. 13 .. 97 .. 80 .. 65 3 .. 11 .. 97 .. 76 .. 66 4 .. 11 .. 97 .. 75 .. 65 5 .. 10 .. 97 .. 76 .. 66 6 .. 10 .. 98 .. 77 .. 66 7 .. 10 .. 98 .. 78 .. 66 8 .. 10 .. 98 .. 78 .. 66 9 .. 10 .. 98 .. 78 .. 65 10 .. 10 .. 98 .. 77 .. 66 OUT. 1 .. 10 .. 98 .. 74 .. 65 2 .. 10 .. 98 .. 77 .. 66 3 .. 10 .. 98 .. 77 .. 66 4 .. 11 .. 98 .. 77 .. 66 5 .. 11 .. 99 .. 76 .. 66 6 .. 11 .. 99 .. 75 .. 65 7 .. 11 .. 99 .. 76 .. 65 8 .. 11 .. 99 .. 77 .. 66 9 .. 11 .. 99 .. 76 .. 65 10 .. 11 .. 99 .. 76 .. 65 | ||
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).