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 power increase on a Phantom engine due to a low depression carburettor.
| Identifier | ExFiles\Box 69\4\ scan0368 | |
| Date | 25th November 1924 | |
| POWER INCREASE ON PHANTOM DUE TO LOW DEPRESSION CARBURETTOR. ENGINE No AU 25. COMPRESSION RATIO = 4.6 STANDARD INDUCTION PIPE. HORIZONTAL RRCH EAGLE VIII CARBURETTOR. BRAKE HORSE POWER. R.P.M. OF ENGINE. INDUCTION PIPE DEPRESSION (INCHES OF MERCURY) STANDARD CARB. INDUCTION PIPE DEPRESSION. STANDARD CARB EAGLE VIII CARB. No 1. V172 (Stamp in bottom right corner): R.R.D.D 25.11.24 | ||