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).
Graph comparing the cooling performance of two different radiator matrices at various speeds during Brooklands tests.
| Identifier | ExFiles\Box 125\3\ scan0131 | |
| Date | 28th June 1939 guessed | |
| FIG II. BROOKLANDS TESTS. COMPARISON OF MATRICES ON 30-G-VII. NO 1 MATRIX - 22.750" X 19.050" X 84 M/M.{Mr Moon / Mr Moore} NO. 2 MATRIX - 24.250" X 19.050" X 84 M/M.{Mr Moon / Mr Moore} EXTRA 1.500" ON BOTTOM OF BLOCK. SHUTTERS FULL OPEN FOR ALL TESTS. CRITICAL AIR TEMPERATURE °C. M.{Mr Moon / Mr Moore} P. H.{Arthur M. Hanbury - Head Complaints} Nº 2 MATRIX - SHORT BLADED FAN Nº 2 MATRIX - NO FAN NO. 1 MATRIX - SHORT BLADED FAN. NO 1 MATRIX - NO FAN. | ||