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).
Graph plotting power comparisons using Cadillac type silent tappets, showing BHP and MEP against RPM.
| Identifier | ExFiles\Box 17\6\ Scan321 | |
| Date | 26th June 1931 | |
| POWER COMPARISONS - PH II CADILLAC TYPE SILENT TAPPETS OPEN EXST - NO INTAKE SILENCER LARGE CARBURETTER - C.R. 5.25/1 CYL HEAD LEC.3960 - LIGHT VALVES STANDARD TIMING IN EACH CASE B.H.P. M.E.P. R.P.M. E.82448 CM/SHF E.50070 CM/SHFT NO.1 INLET VALVE RIDING | ||