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).
Graph of throttled fuel consumption against brake horse power for R. F.S. (12-1) supercharged engines at various RPM.
| Identifier | ExFiles\Box 36\2\ scan 211 | |
| Date | 26th March 1930 | |
| THROTTLED CONSUMPTIONS UNDER I.C.A.N. CONDITIONS AT VARIOUS R.P.M. R.{Sir Henry Royce} F.S. ENGINES (12-1) T.D. 2225FT. SUPERCHARGED 1/D 96/9 26/3/30 FUEL CONSUMPTION. PTS/BHP/HR .7 .65 .6 .55 .5 .45 BRAKE HORSE POWER 200 300 400 500 1800 1900 2000 2100 R.P.M. 2200 R.P.M. 2300 R.P.M. 2400 R.P.M. | ||