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 of petrol consumption curves for a Super Sports engine.
| Identifier | ExFiles\Box 92\2\ scan0035 | |
| Date | 18th October 1928 | |
| PETROL CONSUMPTION CURVES (SUPER SPORTS ENGINE) ENGINE No 55-3. STD. PHANTOM CARBURETTOR (WITH HOT SPOT). COMPLETE BED EXHAUST SYSTEM. FOR POWER CURVE SEE V445. CONSUMPTION (PTS / HR). SP.{Mr Spinney} CONS. (PTS / BHP / HR). R.P.M. OF ENGINE. SPECIFIC CONSUMPTION. ACTUAL CONSUMPTION. | ||