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 high and low lift for E.A.C. inlet and exhaust camshafts.
| Identifier | ExFiles\Box 180\M3\M3.4\ img033 | |
| Date | 17th September 1924 guessed | |
| E.A.C. CAMSHAFTS. INLET CAMS HIGH LIFT .482" LOW LIFT .413" LIFT IN THOUSANDTHS OF AN INCH CRANKSHAFT DEGREES T.D.C. 25° 50° 75° 100° 125° 150° 175° 200° 225° 250° 275° 400 300 200 100 0 EXHAUST CAMS HIGH LIFT .484" LOW LIFT .416" | ||