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).
Specification sheet for the 'Falcon' aero engine detailing performance and physical characteristics.
| Identifier | ExFiles\Box 36\2\ scan 051 | |
| Date | 26th April 1917 guessed | |
| V.27 x2434 ROLLS-ROYCE "FALCON" AERO ENGINE SPECIFICATION. H.P. AT DIFFERENT REVS; "FALCON" H.P. SPEED PETROL 30% BENZOL. 1400 198 - 1500 - - 1600 234.0 - 1650 - - 1700 - 261.5 1800 265.5 - 1900 - 280. 2000 270.1 - 2200 282 285 NORMAL REVS; (CRANKSHAFT) - 2250. NORMAL REVS; (PROPELLER) - 1327. REDUCTION; RATIO. .59. B. HP.at NORMAL REVS; 280. NUMBER OF CYLINDERS. 12. CONSUMPTION OF PETROL.(AT NORMAL REVS;) .46 lbs; per H.P. hour. CONSUMPTION OF OIL ( AT NORMAL REVS). .035 lbs; per H.P. hour. BORE AND STROKE. 4 "Bore x 5¾" stroke. WEIGHT ( EMPTY ). Weight of engine complete with propeller hub and reduction gear, but without water, oil or fuel - 705 lbs; Radiator. WEIGHT ( FULL ). Weight of engine complete with propeller hub and reduction gear, water and oil, but without fuel - 740 lbs; IGNITION. Two six-cylinder magnetos are provided, one serving either side of the engine, one ignition being fitted in each cylinder (CONTD;) | ||