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).
Comparison of engine performance traces under various ignition, RPM, pipe, and carburetter settings.
| Identifier | ExFiles\Box 85\4\ scan0167 | |
| Date | 17th April 1936 guessed | |
| 1/2 RETARD 350 R.P.M. SMALL PIPE. SMALL CARBURETTERS FULLY ADVANCED 450 R.P.M SMALL PIPE. SMALL CARBURETTERS. 1/2 RETARD 350 R.P.M SMALL PIPE. LARGE CARBURETTERS FULLY ADVANCED. 450 R.P.M. SMALL PIPE. LARGE CARBURETTERS. 1/2 RET. T.D.C. 350 R.P.M. LARGE PIPES. LARGE CARBURETTERS. FULLY ADVANCED B.A.I. 450 R.P.M. LARGE PIPES. LARGE CARBURETTER. | ||