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 B.M.E.P. against conventional gas velocity for Hispano and E.A.C. past valves.
| Identifier | ExFiles\Box 180\M4\M4.2\ img012 | |
| Date | 25th February 1923 guessed | |
| B.M.E.P. lbs/□" B.M.E.P. AGAINST CONVENTIONAL GAS VELOCITY PAST VALVES B.M.E.P. STARTS TO FALL AT APPROX 160 FT/SEC GAS VEL. FOR E.A.C. & 183 " " " " HISPANO. HISPANO E.A.C. & R.R.CH. CURVES. GAS VELOCITY PAST VALVES FT./SEC. Y-Axis: 70, 80, 90, 100, 110, 120 X-Axis: 40, 60, 80, 100, 120, 140, 160, 180, 200, 220, 240, 260, 280, 300, 320 | ||