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 governor advance curve for a special Lucas governor assembly under test conditions.
| Identifier | ExFiles\Box 168\3\ img223 | |
| Date | 28th June 1939 | |
| GOVERNOR ADVANCE CURVE OF SPECIAL LUCAS GOVERNOR ASSEMBLY 495045 (DB{Donald Bastow - Suspensions} 2327) SUBMITTED FOR TEST MAKE RATIO .75 CONTACT BREAKER GAPS .017" CAM BREAK PERIOD 0, 0, ½E, 0, 0, ¼I. CONTACT BREAKER SPRING LOAD 12 OZS. CONTACT BREAKER SPRING LOAD 16 OZS. GA 44 DEGREES ADVANCE LIMIT Distributor R.P.M. G.J 28-6-39 | ||