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).
Final power curves for 'Miss England' R-Type engines R.17 and R.19.
| Identifier | ExFiles\Box 174\4\ img020 | |
| Date | 20th June 1931 | |
| 'R' ENGINES CURVE 53 'R' FINAL POWER CURVES FOR 'MISS ENGLAND' ENGINES A:- R.17 WITH MIXT. CONTROL 35° FROM F.S. POSITION B:- R.19 " 34° " 7.47 S/C GEARS. VALVES I.C. 50° A.B.D.C. MAGS 42° B.T.D.C. LODGE X.170 PLUGS. 22/78 + 3ccs TEL/GALL BAR A:- 29.65" Hg B:- 29.68" Hg AIR IN A:- 23° C. B:- 17° C CORRECTED BRAKE HORSE POWER. ENGINE R.P.M. BOOST "Hg ABS. PTS/B.H.P./HR. G.P. 20.6.'31 C/BHP BOOST 'Hg ABS PTS/HP/HR | ||