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 versus RPM for an E.A.C. engine, comparing different piston and ring configurations.
| Identifier | ExFiles\Box 72\1\ scan0037 | |
| Date | 11th July 1925 guessed | |
| OIL CONSUMPTION CURVES FOR E.A.C. ENGINE. RUNNING 3/4 FULL LOAD AVGE. OIL TEMP. 60°C WATER IN 70°C OIL- PRICES MOTORINE C PISTONS & RINGS USED FOR THESE TESTS STD. PISTON & RINGS STD. PISTON WITH 'L' SECTN RINGS. SCHEME EX. 280 I. ENG 6.E.A.C II OIL CONSUMPTION PTS/HR/CYL. 0, 1, 2, 3, 4 R.P.M. 1000, 1500, 2000, 2500, 2750 'L' SECTN RINGS STD. PISTONS. Ex. 280-1. 1.E.A.C.II. STD. PISTONS & RINGS CRH | ||