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).
Comparative power curves at constant speed and varying boost for Kestrel supercharged engines.
| Identifier | ExFiles\Box 179\2\ img071 | |
| Date | 11th January 1931 | |
| KESTREL SUPERCHARGED ENGINES, CURVE 287 F, COMPARATIVE POWER CURVES AT CONSTANT SPEED, AND VARYING BOOST, FUELS - DTD 134 + 3ccs TEL/GALL AND ANGLO-PERSIAN + 3ccs, ENGINE K-IIS-27 WITH 5/1 G.R. PISTONS, 2000 R.P.M., LODGE A2 PLUGS, WATER OUT 75°C, CORR. BRAKE HORSE POWER, BOOST Hg (GAUGE), D.T.D.134+3cc, ANGLO-PERSIAN, Y/8°, Y/4°, DEC X 1°, 235°, G.P., 11-1-31 | ||