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 Brake Horse Power against Specific Fuel Consumption for Kestrel Supercharged Engines.
| Identifier | ExFiles\Box 179\2\ img130 | |
| Date | 30th October 1931 guessed | |
| KESTREL SUPERCHARGED ENGINES CONSTANT SPEED THROTTLE CURVES FROM RATED BOOST POSITION. CURVE 274 °F ENGINE - K-IIS2T 6/1 C.R. STANDARD E32801 CAMSHAFTS - VALVES I.C. 40° ABDC MAGS 38° BTDC AT F.T. WATER OUTLET 75°C FUEL D.T.D. 134. PLUGS - LODGE A.2. ALL POINTS ARE WEAKEST MAINTAINED I.E. 2% DROP BAR. 774 M/M AIR. 14°C 2700 R.P.M. 2500 R.P.M. 2300 R.P.M. 2000 R.P.M. 1800 R.P.M. LINE OF RATED BOOST SPEC. CONS. PTS/BHP/HR. BRAKE HORSE POWER - CORR° FOR BACK PRESSURE ONLY. | ||