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).
Comparative table of fuel consumption for various series of Falcon engines at different speeds.
| Identifier | ExFiles\Box 36\2\ scan 059 | |
| Date | 28th April 1917 guessed | |
| -2- COMPARATIVE CONSUMPTIONS OF "FALCON" ENGINES OF VARIOUS SERIES. | SPEED | CONSUMPTION (lbs. per B.H.P. Hr). | | R.P.M. | Series 1. | Series 2. | Series 3. | Series 4. | Series 5. | |---|---|---|---|---|---| | 1500 | .555 | .511 | .5015 | | | | 1600 | .547 | .502 | .499 | | | | 1700 | .545 | .500 | .499 | | | | 1800 | .548 | .501 | .499 | | | | 1900 | .554 | .505 | .499 | | | | 2000 | .563 | .509 | .500 | | | | 2100 | .574 | .514 | .5015 | | | | 2200 | - | .520 | .505 | | | | 2300 | - | .527 | .513. | | | |--- |--- |--- |--- |--- |---| | Carburetter set for a consumption of | .545 at 1700 R.P.M. | .50 at 1700 R.P.M. | .50 at 1700 R.P.M. | | T | | ||