Graph plotting Brake Horse Power against RPM to show the development of an Air Silencer Carburettor.
| Identifier | WestWitteringFiles\T\2July1929-December1929\ Scan222 | |
| Date | 9th December 1929 | |
| AIR SILENCER CARB. DEVOLOPEMENT. ① ENGINE No SS {S. Smith} -7. STANDARD INDn PIPE. OPEN EXHAUST. STANDARD CARB. BRAKE HORSE POWER R.P.M. OF ENGINE. CURVE Ⓑ: AIR SILENCER CARB (L.C. 2734), FITTED WITH A STD. AIR INTAKE INSTEAD OF SILENCER. CURVE Ⓐ: AIR SILENCER CARB. FITTED WITH STD. H.S. CHOKE, AIR VALVE, DIAPHRAGM & AIR INTAKE. CURVE Ⓒ: SAME AS Ⓐ, BUT WITH AIR SILENCER. | ||
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).