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 in a Phantom II cooling system.
| Identifier | WestWitteringFiles\U\January1930-April1930\ Scan051 | |
| Date | 13th January 1930 | |
| 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. :- - - - - X THE RESTRICTED DELIVERY NOZZLE HAS SMALLER SLOTS THAN STANDARD THUS .625" .250" 4. ROLLS-ROYCE, LIMITED TEST ROOM JAN 13 1930 DERBY. | ||