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 showing water flow and suction side depression for a Phantom II cooling system with varying temperatures and nozzle restrictions.
| Identifier | ExFiles\Box 15\1\ Scan204 | |
| Date | 13th January 1931 | |
| PHANTOM II COOLING SYSTEM. 5 1/2-7m/m MATRIX TUBES (19Ex) WATER FLOW AND SUCTION SIDE DEPRESSION FOR VARYING TEMPERATURES AND WITH AND WITHOUT RESTRICTED DELIVERY NOZZLE Y-AXIS: WATER FLOW THROUGH TOP WATER PIPE (GALLS/MIN) X-AXIS: DEPRESSION ON SUCTION SIDE OF PUMP (INCHES OF MERCURY) LEGEND: STANDARD SYSTEM SUCTION SIDE TEMP 60°C • " " " " 85°C o RESTRICTED DELIVERY NOZZLE " " " 60°C □ " " " " 85°C X 3. | ||