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 change in mean effective pressure as a function of the adiabatic efficiency of a supercharger.
| Identifier | WestWitteringFiles\V\December1930-February1931\ Scan057 | |
| Date | 25th October 1930 | |
| CHANGE IN MEAN EFFECTIVE PRESSURE IN FUNCTION OF ADIABATIC EFFICIENCY OF SUPER CHARGER MULTIPLYING FACTORS FOR IND. M.E.P. OF ENGINE % ADIABATIC EFFICIENCY DISCHARGE PRESS. Curve Labels: 6" Hg, 9" Hg, 12" Hg, 15" Hg Y-Axis Values: 1.10, 1.08, 1.06, 1.04, 1.02, 1.00, .98, .96, .94, .92, .90, .88 X-Axis Values: 30, 40, 50, 60, 70, 80 RUDOLPH BIRMANN, ME TRENTON N.J. DATE. 10.25-30 | ||