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).
Power curve chart for the 'R' Engine direct drive for Miss England II.
| Identifier | ExFiles\Box 174\4\ img024 | |
| Date | 9th December 1939 | |
| 'R' ENGINE - DIRECT DRIVE, CURVE 36 'R', R.19 - POWER CURVE - 3000-2550 R.P.M, DIRECT DRIVE ENGINE FOR MISS ENGLAND II, 7.47 S/C GEARS, 6/1 C.R. PISTONS, VALVES - I.C. 50° ABDC, MAGS-42° BTDC AT F.T, PLUGS - K.L.G. 618, OIL - CASTROL R (RACING), FUEL - BP 333/333/33⅓, AVN/BEN/ALCOHOL, MIXTURE CONTROL 32° FROM F.S., BAR 30.32" Hg, C/BHP, CORRECTED B.H.P., BOOST (Hg ABS), PTS/HP/HR, ENGINE R.P.M, G.P. 9.12.39 | ||