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 curves for Eagle VIII and Eagle IX carburettors.
| Identifier | ExFiles\Box 43\1\ Scan103 | |
| Date | 29th August 1925 guessed | |
| B.H.P. B.M.E.P. R.P.M. C D CURVE NO V CARBURETTER. COMPARISON CURVES. COMPRESSION RATIO 6.28/1. EAGLE IX CAMSHAFTS INLET VALVE TIMING. I.O 10° T.D.C I.C 58° C EAGLE VIII CARBS. D EAGLE IX CARBS. CORRECTED FOR BAR. & TEMP. | ||