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 piston displacement for crank angles, relating to a 40-50 engine's exhaust scheme.
| Identifier | ExFiles\Box 66\2\ scan0036 | |
| Date | 4th April 1924 guessed | |
| 40-50 ENGINE. W.W. EXHAUST SCHEME. PRESS SCALE 1" = 6.2 lbs/□" CYL NO. 6. R.P.M. 2000. CUT.OUT OPEN. MAX PRESS NEAR END OF EXH STROKE = 7.6 lbs/□" INDICATED VOL. EFFCY. = 88% ATMOS LINE PISTON DISPLACEMENT FOR CRANK ANGLES. 4 | ||