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).
Power curve graph for a Super Sports engine plotting brake horse power, oil pressures and induction pipe depression against RPM.
| Identifier | WestWitteringFiles\S\September1928-October1928\ Scan016 | |
| Date | 4th September 1928 | |
| SUPER SPORTS ENGINE POWER CURVE. ENGINE N° 553. COMP. RATIO = 4.5. CLAUDEL HOBSON CARBURETTOR. HOT SPOT (WATER) IN ACTION OPEN EXHAUST. BRAKE HORSE POWER. Induction Pipe Depression. Main Oil Pressure. Oil Pressure to Rockers. R.P.M. OF ENGINE. DEPRESSION (INCHES OF MERCURY) OIL PRESSURE (LBS. PER SQ. IN.) ROLLS-ROYCE, LIMITED PRINT ROOM, 5 SEP 1928 | ||