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 water pump flow and pressure performance at varying engine speeds for two-piece cylinder blocks.
| Identifier | ExFiles\Box 179b\3\ img305 | |
| Date | 7th March 1933 | |
| CURVE. 392.F. TWO-PIECE CYLINDER BLOCKS TO L.O.P. E.36976 WATER PUMP FLOWS AT CONSTANT TEMP WITH VARYING SPEED ENG No K.E.S. 26. WATER PUMP TO L.O.P. E.34984 & VANE ROTOR NO INLET GUIDE VANES CONDITIONS OF TEST WATER INLET NO RESTRICTION WASHERS FITTED TO INLET PORTS WATER OUTLET AS STANDARD WITH 3 DIA RESTRICTION WASHER FITTED TO REAR OUTLET ONLY CONSTANT INLET TEMP 75°C. CONDITIONS SET AT 2250 RPM. (PER AP 206) WATER FLOW - GALLONS/MIN. ENGINE R.P.M. WATER PRESS. LBS/SQ" DELIVERY - GALLS/MIN HORN PIPE PRESSURE W/P PRESSURE W/P SUCTION | ||