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).
Performance comparison graph for Eagle VIII and Eagle IX camshafts.
| Identifier | WestWitteringFiles\N\July1925-September1925\ Scan164 | |
| Date | 25th September 1924 guessed | |
| B.H.P. B.M.E.P. R.P.M. CURVE N° II CAMSHAFT COMPARISON CURVES COMPRESSION RATIO 5.27/1 A.{Mr Adams} EAGLE VIII CAMSHAFTS. INLET VALVE TIMING. T.D.C I.O. 10° I.C. 54° B. EAGLE IX CAMSHAFTS. INLET VALVE TIMING. T.D.C I.O. 14° I.C. 54° EAGLE IX CARBS. CORRECTED FOR BAR. & TEMP. | ||