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).
The cooling tests for Phantom III chassis 32-EX at Brooklands.
| Identifier | ExFiles\Box 91\2\ scan0056 | |
| Date | 2nd July 1937 | |
| To Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/IMW{Ivan M. Waller - Head of Chateauroux} c. Rm{William Robotham - Chief Engineer}/Std. 300a 2.7.37 32-EX. PHANTOM III. Cooling Tests at Brooklands 29.6.37 Air temperature 16°C. Temperatures after two laps, full throttle, shutters fixed open. 1. Direct Drive. Water 80°C. Oil 90°C. 2. Overdrive Water 78°C. Oil 84°C. There was no marked difference between the readings of the thermometer in the top water pipe and the standard thermometer in the rear of the cylinder head. Rm{William Robotham - Chief Engineer}/IMW.{Ivan M. Waller - Head of Chateauroux} | ||