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 effect of temperature and a restricted delivery nozzle on water flow for a Phantom II cooling system.
| Identifier | ExFiles\Box 15\1\ Scan205 | |
| Date | 14th January 1930 guessed | |
| PHANTOM II COOLING SYSTEM. EFFECT OF TEMPERATURE AND RESTRICTED DELIVERY NOZZLE ON WATER FLOW. 5 - 7 1/2 m/m MATRIX TUBES ON 19 EX WATER FLOW THROUGH TOP WATER PIPE (GALLS/MIN) ENGINE R.P.M. STANDARD SYSTEM SUCTION SIDE TEMP. 60°C. : " " " " 85°C. : RESTRICTED DELIVERY NOZZLE " 60°C. : " " " " 85°C. : THE RESTRICTED DELIVERY NOZZLE HAS SMALLER SLOTS THAN STANDARD THUS. .625" .250" 4. | ||