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 induction pipe capacities for the Japan Unit, plotting B.HP against R.P.M.
| Identifier | Morton\M13.2\ img107 | |
| Date | 23th September 1931 guessed | |
| RM{William Robotham - Chief Engineer}37 COMPARISON OF INDUCTION PIPE CAPACITIES. JAPAN UNIT. INLET VALVE DIA. 1.40" E.56851 C/R 5.13-1 OPEN EXHAUST 112° CAMSHAFT STANDARD ROCKERS 2 CLAUDELS. SHORT RAMMING PIPES HEAD MACHINED TO GIVE MIN. CLCE. ROUND INLET VALVE OF .275" 2 CLAUDELS AS ABOVE WITH 9" EXTENSION VALVE LIFT .344" B.H.P. R.P.M. INDUCTION DEPN. LBS/SQ" EX 46.4 IN 46.0 3.2 10.6 .013 TAPPET CLCE. | ||