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 consumption curves for an E.A.C. engine, comparing different piston and ring configurations.
| Identifier | ExFiles\Box 66\1\ scan0023 | |
| Date | 18th March 1925 guessed | |
| OIL CONSUMPTION CURVES FOR E.A.C. ENGINE I.E.A.C. II Eng. Running at 3/4 FULL LOAD. COMPARISON: STD PISTONS & RINGS Po. STD PISTONS WITH "L" SECTION RINGS AND SCRAPER. OIL TEMP AT SUPPLY TO BEARINGS - AVGE. 60°C. CYL. WATER TEMP 80°C. OIL "PRICES MOTORINE C" OIL CONSUMPTION PTS/HOUR. R.P.M. STANDARD PISTON, RINGS, & SCRAPER STD PISTON WITH "L" SECTN RINGS & SCRAPER | ||