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 test results with temperature and speed readings at various locations.
| Identifier | ExFiles\Box 38\2\ Scan084 | |
| Date | 28th December 1919 | |
| X.8456. 49-GB. CAR. 28/29/30-12-19. U (1) CK{Mr Clark} EKC X.3456 RADIATOR TESTS. X.842Y Fill Original Radiator - ½ mile readings. From Ticknall. Towards Ticknall. From Ticknall. Water temp. air. M.P.H. Water temp. air. M.P.H. Water temp. air. M.P.H. 64½°C 35°F Standing 62°C 35°F Standing 63¼°C 34¼°F Standing 65¼ " 30 63¼ " 30 64 " 30 64 " " 65 34¼ " 63¼ " " 62 " " 64½ " " 61½ " " 60 " " 59½ " " (2) Radiator tests taken on 3 mile stretch. Radiator as above. ½ mile readings. On London Road. Towards Shardlow. Level Road. From Derby. To Derby. Water temp. air. M.P.H. 62¼°C 35¼°F 30 61½ " " 61 " " 61½ " " 61 " 35 Water temp. air. M.P.H. 62°C 32¼°F 30 62 " " 62¼ " " 62½ " " 62¼ " 35 " (3) Expl: Radiator. Tests taken as No.2. - ½ mile readings. From Derby. Water temp. air. M.P.H. 60°C 38°F 30 60 " " 60 " " 59¼ " " To Derby. Water temp. air. M.P.H. 59½°C 38°F 30 60½°C " " 60½ " " 61 " " Contd WHS & S (CL) 6011 Y 92 M 18 | ||