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 graph comparing different carburettor configurations, plotting Brake Horsepower and Brake Mean Effective Pressure against engine Revolutions Per Minute.
| Identifier | WestWitteringFiles\N\July1925-September1925\ Scan167 | |
| 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 T.D.C. 14° I.C. 58° C EAGLE VIII CARBS. D EAGLE IX CARBS. CORRECTED FOR BAR. & TEMP. | ||