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 inlet valve discharge coefficients versus valve lift for Kestrel size cylinders on an air blowing rig.
| Identifier | ExFiles\Box 134\2\ scan0058 | |
| Date | 2nd September 1935 | |
| FIG II AIR BLOWING RIG Nº 4 BED INLET VALVE DISCHARGE COEFFICIENTS. KESTREL SIZE CYLINDERS. DISCHARGE = K * sqrt((Pd x P) / T) lbs/MIN. Pd = "Hg PRESSURE DROP AT VALVE P = "Hg PRESSURE IN CYLINDER T = ABSOLUTE TEMPERATURE °C DISCHARGE COEFFICIENT 'K' VALVE LIFT INCHES NORMAL MAXIMUM VALVE LIFT STEEL PENT HOUSE P.V.C RAMP STEEL PENT HOUSE KESTREL VALVE DIAMETER 1.75" 1.625" 1.425" 1.625" VALVES REMOVED R.W.C. | ||