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 comparing two timing alterations on a 112° camshaft with two Claudel carburettors.
| Identifier | ExFiles\Box 5a\5\ 05-page162 | |
| Date | 23th September 1931 | |
| COMPARISON OF TIMING ALTERATIONS ON 112° CAMSHAFT WITH TWO CLAUDEL CARBS. INLET VALVE DIA 1.4" C/R 5.13-1 OPEN EXHAUST 112° CAMSHAFT STANDARD ROCKERS HEAD MACHINED TO GIVE MINIMUM CLCE OF ROUND INLET VALVE .275" TIMING A TOOTH EARLIER B VALVE LIFT .354" B.H.P. R.P.M. B.M.E.P. INDUCTION DEPN. LBS/SQ" .015" CLCE. Diagram A: EX 46 8, IN 9 52 Diagram B: EX 40 14, IN 2 59 | ||