Graph plotting Brake Horse Power against RPM for Air Silencer Carburettor development on Engine No. S-7.
| Identifier | ExFiles\Box 13\3\ 03-page169 | |
| Date | 9th December 1929 | |
| 9-12-29 V 758 AIR SILENCER CARB. DEVOLOPEMENT. ① ENGINE Nᵒ S-7 STRAIGHTENED INLET PIPE OPEN EXHAUST BRAKE HORSE POWER R.P.M. OF ENGINE STANDARD CARB. CURVE Ⓑ: AIR SILENCER CARB (L.C. 2724), 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).