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).
Power curve comparison at constant detonation for different cylinder heads, using a 50/50 paraffin-shell fuel mixture.
| Identifier | ExFiles\Box 111\2\ scan0282 | |
| Date | 13th December 1937 | |
| -3- III. DETONATION A comparison of power curves run on a paraffin-shell mixture is shown on Fig.III. HIGH POWER HEAD FIG III POWER COMPARISON AT CONSTANT DETONATION FUEL - 50/50 SHELL Nᵒ1 / PARAFFIN B.M.E.P. MAIN ENGINE BHP RPM STANDARD BENTLEY ① Nᵒ 4 HEAD - FULLY INCLINED INLET VALVE (1.750" DIAM) CR{Mr Cra???ster / Mr Chichester} - 6.3 ② Nᵒ 5 HEAD - SEMI-INCLINED INLET VALVE (1.750" DIAM) CR{Mr Cra???ster / Mr Chichester} - 6.3 VALVE TIMING - I.O. T.D.C. I.C. 30°L; E.O. 35°E.{Mr Elliott - Chief Engineer} E.C. T.D.C. | ||