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 on radiator efficiency at various speeds and a note on brake shudder.
| Identifier | ExFiles\Box 82\2\ scan0091 | |
| Date | 17th July 1934 | |
| STD Please note L2002 (2) Hotel de France, Châteauroux. Indre. France. To HS{Lord Ernest Hives - Chair}/RM.{William Robotham - Chief Engineer} From G.W.H. 17th July 1934. 4 B IV. We have taken tests to show the efficiency of the radiator. The car was run in each case until the temperature remained consistent on a give and take route. M.P.H. FAN BELT ON. FAN BELT OFF. 20 71°C 74°C 30 69°C 74°C 40 70°C 73°C 50 71°C 75°C 60 72°C 78°C 70 75°C 81°C 80 79°C 84°C Air temperature 28°C. BRAKES. The BZ linings shudder as bad as MR when first applied after washed and standing all night. [Signature] G.W.H. | ||