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 graph showing comparative consumption loops for a Kestrel supercharged engine.
| Identifier | ExFiles\Box 179\2\ img197 | |
| Date | 4th May 1932 | |
| KESTREL SUPERCHARGED ENGINES CURVE 281 "F" COMPARATIVE CONSUMPTION LOOPS AT 90% F.T. LOAD (2500 R.P.M) ① AT ALTITUDE 11500 FT, AND 2500 RPM ② THROTTLED TO REPRODUCE ABOVE CONDITION AT GROUND ENGINE - K IIS EXP 2 LODGE A.2 PLUGS D.T.D 134 FUEL BAR 769 M/M T.H. AIR ① 11.5°C. ② 15°C SPEC. CONS. PTS/BHP/HR BRAKE HORSE POWER (ACTUAL) MAX. POWER .610 PTS/HP/HR W.M POWER .580 PTS/HP/HR MAX. POWER .600 PTS/HP/HR W.M POWER .565 PTS/HP/HR C.P. 4.5.32 | ||