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).
Blueprint graph showing comparative power curves for a Kestrel supercharged engine during French type test rating tests.
| Identifier | ExFiles\Box 179\2\ img193 | |
| Date | 16th January 1932 | |
| "KESTREL" SUPERCHARGED ENGINES CURVE 279 "F" FRENCH TYPE TEST RATING TESTS COMPARATIVE POWER CURVES OBTAINED AT 11-500 FT. BY APPLYING: A - STANDARD A.P. 840 CORRECTIONS B - CORRECTIONS TO FRENCH T.T. SCHEDULE TO THE OBSERVED POWER CURVE GIVEN IN CURVE C. ENGINE - KES EXP.II LODGE A.2 PLUGS D.T.D. 134 FUEL. BAR 745 m/m T.H. AIR 15°C 530 B.H.P AT 2500 R.P.M - (A.P.840 CORR^N) 515 B.H.P. AT 2500 R.P.M. (FR. CORR^N) BRAKE HORSE POWER ENGINE R.P.M. C/BHP OBS^D H.P. PTS/HP/HR (WM) PTS/HP/HR 2250 - STD. NORMAL R.P.M. NORMAL R.P.M. - 2500 (FR) MAX. PERM. R.P.M. - 2775 (FR) G.P. 16.1.32 | ||