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 the Phantom II cooling system.
| Identifier | ExFiles\Box 24\5\ Scan218 | |
| Date | 30th January 1931 | |
| PHANTOM II COOLING SYSTEM. 5 1/2 : 7 m/m MATRIX TUBES (19 Ex) WATER FLOW AND SUCTION SIDE DEPRESSION FOR VARYING TEMPERATURES AND WITH AND WITHOUT RESTRICTED DELIVERY NOZZLE. WATER FLOW THROUGH TOP WATER PIPE (GALLS/MIN) DEPRESSION ON SUCTION SIDE OF PUMP (INCHES OF MERCURY) STANDARD SYSTEM SUCTION SIDE TEMP 60°C. ● STANDARD SYSTEM SUCTION SIDE TEMP 85°C. ● RESTRICTED DELIVERY NOZZLE - SUCTION SIDE TEMP 60°C. □ RESTRICTED DELIVERY NOZZLE - SUCTION SIDE TEMP 85°C. X 3. | ||