Graph comparing B.M.E.P. against conventional gas velocity past valves for E.A.C. and Hispano engines.
| Identifier | ExFiles\Box 22\1\ Scan142 | |
| Date | 12th March 1924 guessed | |
| 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. B.M.E.P. lbs/□" GAS VELOCITY PAST VALVES FT/SEC. HISPANO E.A.C. 2. R.R.C.H. CARBS. | ||
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).