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 graph analysing silencer losses during air silencer carburettor development on Engine N° 55-7.
| Identifier | ExFiles\Box 13\3\ 03-page170 | |
| Date | 9th December 1929 | |
| AIR SILENCER CARB DEVOLOPEMENT ② ANALYSIS OF SILENCER LOSSES ENGINE N° 55-7 STD. INDUCTION PIPE OPEN EXHAUST STANDARD CARB BRAKE HORSE POWER RPM OF ENGINE CURVE A: AIR SILENCER CARB (LC 2734) FITTED WITH STD. H.S. CONES, AIR VALVE & DIAPHRAGMS CURVE B: DITTO, BUT CENTRE TUBE (E79642) OF SILENCER REMOVED CURVE C: SAME AS A BUT WITH CENTRE AND SECOND TUBES (E79642/5) REMOVED CURVE D: SAME AS A, BUT WITH CENTRE, SECOND & THIRD TUBES (E79642/4/5) REMOVED. CURVE E: SAME AS A, BUT WITH ALL SILENCER TUBES (E79642/3/4/5) REMOVED | ||