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 consumption loops for Kestrel modified supercharged engines at 2250 RPM.
| Identifier | ExFiles\Box 179\2\ img136 | |
| Date | 11th January 1931 | |
| KESTREL MOD. SUPERCHARGED ENGINES CURVE 865F CONSUMPTION LOOPS AT 2250 R.P.M. ENGINE - K.II MS - EXCI WITH INDUCTION PIPE E.38182 LODGE H2 PLUGS FUELS USED:- AT 90% - D.T.D. 134 AT F.T. - D.T.D. 134 + 3ccs T.E.L./GALL BAR. 771 m/m AIR 12.5'C INDUCTION PIPE TERMINATING AT FRONT MANIFOLD LEAD AT 90% OF 625 B.H.P. AT F.T. Y-AXIS: PTS/BHP/HR X-AXIS: BRAKE HORSE POWER (ACTUAL) LEFT CURVE: MAX POWER .560 PTS/HP/HR W.M. .520 PTS/HP/HR RIGHT CURVE: MAX POWER .645 PTS/HP/HR W.M. .505 PTS/HP/HR G.P. 11.1.31 | ||