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 report detailing radiator performance with temperature and speed readings on Ticknall Hill.
| Identifier | ExFiles\Box 38\2\ Scan095 | |
| Date | 14th May 1920 | |
| Contd. -3- 14.5.20. R-R Radiators. Ticknall Hill. UP. DOWN. Water temp. | Atmos. temp. | Foot boards. | M.P.H. | Water temp. | atmos. temp. | Foot boards. | M.P.H. ---------------------------------------------------------------------------------------------------- 62° | 17° | 27° | 30 | 62° | 15¼° | 26° | 30 63° | " | 28° | " | 64 | " | 27¼° | " 65¼° | " | 29¼° | " | 65° | " | 28½° | " 67° | " | " | " | 64° | " | 29° | " 69¼° | " | 28° | " | 64¼° | " | " | " 71° | 15¼° | " | " | 64° | 14½° | " | " 49-GB CAR. | ||