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).
Performance comparison graphs for different S.U. and Claudel carburetor and induction pipe configurations.
| Identifier | ExFiles\Box 182\M19\ img269 | |
| Date | 29th October 1931 guessed | |
| R.M. 50 COMPARISON OF 1 7/8 THROTTLE DIA S.U. ON TWO DIFFERENT INDUCTION PIPES PIPE A PIPE B B.H.P. INDUCTION DEPN INDUCTION DEPN INS. HG. "112" CAMSHAFT JAPAN UNIT WITH TREPANNED VALVES HIGH LIFT ROCKERS 5.13 C/R OPEN EX CLAUDEL C S.U. PIPE A COMPARISON OF BEST S.U. INDUCTION PIPE & CLAUDEL CARB. R.P.M. | ||