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).
Blueprint graph of the ignition governor advance curve for a Bentley Delco-Remy system.
| Identifier | ExFiles\Box 61b\2\ scan0323 | |
| Date | 9th December 1970 | |
| BENTLEY IGNITION GOVERNOR ADVANCE CURVE FOR DELCO REMY Y-Axis: BENTLEY IGNITION ADVANCE DEGREES - BEFORE T.D.C. 10, 20, 30, 40 X-Axis: R.P.M. 500, 1000, 1500, 2000, 2500, 3000, 3500, 4000, 4500 Handwritten Note: modified curve to improve performance between 60-70 M.P.H. Handwritten Reference & Date: D / 242.70 9.12.70 | ||