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 showing the reduction in heat flow with a richer mixture for a Hispano engine.
| Identifier | ExFiles\Box 22\1\ Scan205 | |
| Date | 1st October 1924 | |
| CURVE. 2. HISPANO. CURVE SHOWING REDUCTION IN HT. FLOW WITH RICHER MIXTURE. ONLY TWO POINTS ARE GIVEN FOR THE LOWER CURVE. B.T.U.S. PER MIN. ENG. R.P.M. HT. FLOW FOR WEAKEST MAINTAINED. AS ON CURVE 1. HT. FLOW WITH RICH MIXTURE. 36% RICHER. 43% RICHER. | ||