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).
Non-stop duration test data for the F.11 engine, showing fuel consumption against horsepower at a 7:1 compression ratio.
| Identifier | ExFiles\Box 36\2\ scan 193 | |
| Date | 8th October 1928 | |
| V446. R.R.F.11. No 27. NON-STOP DURATION TEST. 7:1 COMPN RATIO. FUEL USED:- STAGES 1-2. 100% BENZOL. STAGES 3-9. 50% SWAN 10% BENZOL 40% AVN. AVERAGE OF ACTUAL READINGS TAKEN DURING TEST. CONSUMPTION READINGS ON FLOWMETER. TABLE: STAGE | HRS DURN | CON. Pts/HR | TOTAL Pts. | HP DEVELOPED | TOTAL Pts. | AVGE S.C. FUEL | AVGE FUEL WT LBS. 1 | 1/4 | 246 | 61.5 | 536 | | | 2 | 3/4 | 275.6 | 206.7 | 588.5 | 268.2 | .865 | 287 3 | 10.0 | 166.96 | 1669.6 | 337.3 | | | 4 | 7.5 | 155.37 | 1165.3 | 313 | | | 5 | 7.5 | 145 | 1087.5 | 293.5 | | | 6 | 8.0 | 138.6 | 1108.8 | 266.5 | | | 7 | 10.0 | 125.37 | 1253.7 | 229.4 | | | 8 | 12.5 | 110.65 | 1383.1 | 179.5 | | | 9 | 16.0 | 87.43 | 1398.9 | 118.5 | 9066.8 | .725 | 8216 TOTALS | | | 9335.0 | | 9335.0 | | GRAPH 1 (LEFT): TITLE: THROTTLED STAGES. Y-AXIS: PTS/HR. FROM FLOWMETER X-AXIS: B.H.P. ANNOTATION: CONSUMPTION DURING 2ND TEST GRAPH 2 (RIGHT): TITLE: FULL THROTTLE. Y-AXIS: PINTS/HOUR X-AXIS: B.H.P. SIGNATURE: A.E.L 8/10/28 | ||