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 the effects of temperature and restriction on water flow and suction side depression for the Phantom II cooling system.
| Identifier | ExFiles\Box 24\5\ Scan216 | |
| Date | 13th January 1933 | |
| PHANTOM II COOLING SYSTEM. EFFECT OF TEMPERATURE AND RESTRICTION ON WATER FLOW AND SUCTION SIDE DEPRESSION. RESTRICTION USED IS A PLATE DRILLED WITH ONE HOLE .6 DIAM. PLACED IN THE DELIVERY PIPE JOINT TO THE PUMP. STANDARD SYSTEM SUCTION SIDE TEMP 60°C " " " " " 85°C RESTRICTED 60°C " 85°C WATER FLOW THROUGH TOP PIPE (GALLS/MIN.) WATER FLOW DEPRESSION ON SUCTION SIDE OF PUMP. ENGINE R.P.M. DEPRESSION ON SUCTION SIDE OF PUMP (INS. MERCURY) I. STAMP: SERVICE DEPT'M H.I.F. ROE'S M JAN 13 1933 DERBY. | ||