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).
Chart showing brake drum temperature over distance during two test runs to the Royal Red Gate.
| Identifier | ExFiles\Box 157\2\ scan0164 | |
| Date | 5th May 1937 guessed | |
| BRAKE DRUM TEMPERATURE CHART 2 RUNS TO THE ROYAL RED GATE SOLID LINES REPRESENT TEMP: REACHED BY DRUM WITH 7" x 650 TYRE DOTTED " " " " " " 18 x 550 " Top-Right Graph: 2ND RUN SOLID N.S.R DOTTED O.S.R Second from Top-Right Graph: 1ST RUN SOLID O.S.R DOTTED N.S.R Third from Top-Right Graph: 2ND RUN SOLID O.S.F. DOTTED N.S.F. Bottom-Right Graph: 1ST RUN SOLID N.S.F. DOTTED O.S.F. X-Axis Label: MILES Y-Axis Scale: 100, 150, 200 X-Axis Scale: 0, 5, 10, 15, 20, 25, 30 | ||