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 different carburetter setups, plotting B.HP and B.M.E.P. against R.P.M.
| Identifier | WestWitteringFiles\N\July1925-September1925\ Scan165 | |
| Date | 29th August 1925 guessed | |
| B.H.P. 430 420 410 400 390 380 370 360 350 340 1700 1800 1900 2000 2100 2200 2300 R.{Sir Henry Royce} P. M.{Mr Moon / Mr Moore} B.M.E.P. 130 120 110 CURVE No III CARBURETTER. COMPARISON CURVES. COMPRESSION RATIO 5.27/1 EAGLE IX CAMSHAFTS & INLET VALVE TIMING T.D.C. 14° B 54° B.D.C. C = EAGLE VIII CARBURETTERS. D = EAGLE IX CARBURETTERS. CORRECTED FOR BAROMETER & TEMP. CONDOR I.A. COMP RATIO 5.17/1. | ||