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).
Temperature readings from a test run of the 3. S. I. SPECTRE vehicle in France.
| Identifier | ExFiles\Box 91\4\ scan0029 | |
| Date | 25th June 1935 | |
| X 300a HOTEL DE FRANCE CHATEAUROUX. Indre. France. GWH{George W. Hancock - Head Chateauroux}/JAB. 25th June 1935. To. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} From. G.W.H. 3. S. I. SPECTRECodename for Phantom III. Your telegram received. We have not as yet attempted to move the Petrol Filter. We have, before doing so, fitted temperature Thermometres. The results during yesterday afternoon's run in very hot weather were as follows :- AIR TEMPERATURE MAXIMUM...32°c WATER " " ...86°c OIL " " ...94°c Air Temperature Under Bonnet At Filter............... 60°c Air Temperature Under Bonnet At Air Inlets........... 60°c The Air Temperature is cooling down due to rain, we can therefore see whether the slow running is affected by it. ----------------- [Signature] G.W.H. | ||