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 oil flows versus RPM for a Super-Sports engine, showing delivery from the pump and flow to various components.
| Identifier | WestWitteringFiles\S\September1928-October1928\ Scan069 | |
| Date | 10th September 1928 | |
| V415. OIL FLOWS. (SUPER-SPORTS ENGINE). ENGINE No SS{S. Smith}-3. OIL PUMP TO E77663. OIL RELIEF VALVE TO E77670 H.P. SPRING E75748 INTER & L.P. SPRING E76927 OIL TEMPERATURE THROUGHOUT TESTS = 60°C Y-Axis: OIL FLOWS (PINTS PER MINUTE) X-Axis: R.P.M. OF ENGINE. Graph Line Labels: DELIVERY FROM PUMP. OIL REJECTED BY RELIEF VALVE. OIL FLOW THRO' BEARINGS. DITTO STD PHANTOM OIL FLOW TO TIMING GEARS. OIL FLOW TO ROCKERS. [Initials in bottom right corner: HFP 10-9-28] | ||