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).
Blueprint graph showing engine power output curves for a C10 unit for a 19.G.IV engine.
| Identifier | ExFiles\Box 179\2\ img046 | |
| Date | 1st December 1931 | |
| R.M. 57 POWER OUTPUT C 10 UNIT FOR 19 G IV ① CAMSHAFT E.57177 110 S° PITSONS E.57122 COMPRESSION RATIO 5.7 - 1 1.5 DIA 1 1/8 INSIDE DIA P II SHAFT TYPE CAMSHAFT/VALVE TIMING DIAGRAM: 26° .020 CLOSE Ex IN 35° 45 S GRAPH DATA: Y-AXIS: B.H.P (Brake Horsepower) X-AXIS: R.P.M (Revolutions Per Minute) CURVE LEGEND: ①: Corresponds to Camshaft E.57177, Pitsons E.57122, Compression Ratio 5.7-1 ②: CHINA UNIT 5-1 C/R 1 7/8" LARGER R.R. CARB. 110° SHAFT. STD. 25 H.P Ex. SYSTEM TO E.55794 S 12 . 31 | ||