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 comparing oil consumption curves for an E.A.C. engine with different piston and ring setups.
| Identifier | ExFiles\Box 66\1\ scan0024 | |
| Date | 18th March 1925 guessed | |
| OIL CONSUMPTION CURVES FOR E.A.C. ENGINE. I.E.A.C.II 3/4 LOAD COMPARISON: PISTONS Ex. 280 & RINGS Ex. 281. AND PISTONS Ex. 280 & "L" SECTION RINGS. TEMP. OIL SUPPLY TO BEARINGS 60°C. CYL. WATER TEMP. 80°C. OIL: 'PRICES' MOTORINE C. SCHEME Ex. 280-1. PISTONS Ex. 280 WITH 'L' SECTN RINGS Y-AXIS: OIL CONSUMPTION PTS/HOUR X-AXIS: R.P.M. | ||