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 the performance of four different carburetter arrangements on a Japan Unit engine.
| Identifier | ExFiles\Box 181\M13\M13.2\ img104 | |
| Date | 18th September 1931 | |
| R.{Sir Henry Royce} M.{Mr Moon / Mr Moore} 30 COMPARISON OF CARBURETTER ARRANGEMENTS JAPAN UNIT . 112° CAMSHAFT OPEN EXHAUST. C/R 5.35 VALVE LIFT .395 ① 2 CLAUDELS RAMMING PIPES ② 2 ZENITHS NON RAMMING PIPES 26 M/M CHOKES DOWNDRAUGHT ③ 2 S.U'S NON RAMMING PIPES " " ④ TWIN CHOKE ZENITH 26 M/M CHOKES. B.H.P. R.P.M. INDUCTION PIPE DEPN. VALVE TIMING DIAGRAM: EX 46 IN 55 40 2.0 .013 CLCE. | ||