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 showing the variation of cooling with air speed through different Marston cores.
| Identifier | ExFiles\Box 87\1\ scan0183 | |
| Date | 20th June 1935 guessed | |
| [ "SHEET 6.", "VARIATION OF COOLING WITH AIR SPEED THRO' CORE", "(ASSUMING FREE AREA = FRONTAL AREA OF MATRIX.)", "HEAT DISSIPATED/MIN/°C DIFF BETWEEN AIR & WATER INLET TEMPS. B.Th.U'S.", "AIR SPEED THRO' CORE - FT/SEC", "MARSTON MK V 65 M/M", "MARSTON MK V 52 M/M", "H = K₂v^.79", "H = K₁v^.79", "Y-Axis values: 0, 10, 20, 30, 40, 50, 60", "X-Axis values: 0, 10, 20, 30, 40, 50" ], | ||