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).
Graph showing the estimated power increase with reduced induction pipe depression relative to the standard Phantom carburettor.
| Identifier | WestWitteringFiles\R\2October1927-November-1927\ 170 | |
| Date | 12th October 1927 guessed | |
| ESTIMATED POWER INCREASE WITH REDUCED INDUCTION PIPE DEPRESSION RELATIVE TO THE DEPN. OBTAINED WITH STD. PHANTOM CARB. AT 2750 R.P.M. PERCENTAGE INCREASE OF I.H.P. DEPN WITH STD. CARB. AT 2750 R.P.M. INDUCTION PIPE DEPRESSION INS. HG. No 2. aefs. | ||