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 results of an exhaust system test on cylinder 6 of a 40-50 engine at 2000 RPM.
| Identifier | ExFiles\Box 66\2\ scan0034 | |
| Date | 4th April 1924 | |
| 40-50 ENGINE. STANDARD EXHAUST SYSTEM. PRESSURE SCALE 1" = 6.2 lbs/□" CYL. NO. 6. R.P.M. 2000. CUT OUT OPEN. MAX PRESS ON NEAR END OF EXH STROKE = 2.79 lbs/□" INDICATED VOL. EFFICIENCY = 88% Indicated Vol. Efficiency EXH. SYSTEM TESTS. 2 3436 ATMOS. LINE PISTON DISPLACEMENT FOR CRANK ANGLES. 0 10º 20º 30º 40º 50º 60º 70º 80º 90º 100º 110º 120º 130º 140º 150º 160º 170º 180º | ||