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 & B.M.E.P. Curves for a Ground Boosted R.R. F.II (Nº25) engine.
| Identifier | ExFiles\Box 36\2\ scan 165 | |
| Date | 16th March 1928 | |
| GROUND - BOOSTED R.R. F.II (Nº25) POWER & B.M.E.P. CURVES S/C to L.O.P. 31287 ENGINE COMP RATIO 6.2/1 FUEL 20/80 MIXTURE A S/C GEAR RATIO 5.5/1 B S/C GEAR RATIO 6.9/1 Y-AXIS LEFT: CORRECTED BRAKE HORSE POWER VALUES: 400, 450, 500, 550, 600, 650, 700 X-AXIS BOTTOM: R P M VALUES: 2000, 2100, 2200, 2300, 2400, 2500 Y-AXIS RIGHT (TOP): LBS/SQ IN C/BMEP VALUES: 140, 150, 160 Y-AXIS RIGHT (BOTTOM): BOOST PRESSURE INCHES OF MERCURY Hg VALUES: 0, 1, 2, 3, 4, 5 CURVE LABELS: C/BMEP B C/BMEP A C/BHP B C/BHP A BOOST PRESS BOOST PRESS A | ||