Performance graph comparing high and low lift rockers for a single carburettor Japan unit.
| Identifier | ExFiles\Box 181\M13\M13.2\ img113 | |
| Date | 6th October 1931 guessed | |
| RM {William Robotham - Chief Engineer} 40 COMPARISON OF HIGH & LOW LIFT ROCKERS WITH SINGLE CARB. JAPAN(Experimental Engine) UNIT INLET VALVE DIA 1.4 C/R 5.13/1 OPEN EX 112° CAMSHAFT E.55640 CLCE (MIN) OF .225 MACHINED ROUND INLET VALVE VALVE LIFT .344 VALVE LIFT .395 CHOKE DIA. 38 M {Mr Moon / Mr Moore} /M. DIFFUSER DIA. .625 FREE AREA PAST CHOKE 1.46 SQ" B.H.P. R.P.M INS Hg. INDUCTION DEPN. Timing Diagram: Ex. IN 32 10.5 46.4 46 .013 CLCE | ||
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).