Blueprint graph comparing brake horsepower against engine RPM for a Phantom II engine with and without an air silencer carburettor.
| Identifier | ExFiles\Box 13\3\ 03-page211 | |
| Date | 6th May 1930 | |
| 6-5-30 V850 AIR SILENCER CARBURETTOR (Le.C.2786). PHANTOM II ENGINE No SS {S. Smith} -7. STANDARD INDUCTION SYSTEM OPEN EXHAUST BRAKE HORSE POWER R.P.M. OF ENGINE. STANDARD CASE AIR SILENCER CASE to L.C. 2786. | ||
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).