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 of curves showing gas velocity past the valves for a Lorraine-Dietrich engine, with a comparison to a 20 HP R.R. engine.
| Identifier | WestWitteringFiles\Q\February1927-March1927\ 124 | |
| Date | 25th March 1927 | |
| 8 25-3-27 INDICATED MEAN EFFECTIVE PRESSURE (LBS PER D") R.P.M. OF ENGINE GAS. VEL. / I.M.E.P. GAS. VEL. / R.P.M. GAS. VEL. / R.P.M. GAS. VEL / I.M.E.P. 20 HP R.R. (INLET AREA AT VALVES = 1.04 D") LORRAINE-DIETRICH ENGINE. CURVES SHEWING GAS VELOCITY PAST VALVES. (INLET AREA AT VALVES = 1.61 D") GAS VELOCITY. (FEET PER SEC) | ||