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 pressure in the Phantom II cooling system against engine RPM with different nozzle and valve configurations.
Identifier | ExFiles\Box 15\1\ Scan203 | |
Date | 22th January 1930 | |
PHANTOM II COOLING SYSTEM PRESSURE IN WATER JACKETS AND RUBBER JOINTS DUE TO RESTRICTED DELIVERY NOZZLE AND RESTRICTION VALVE IN TOP WATER PIPE TO LE C 2675. THE RESTRICTED DELIVERY NOZZLE HAS REDUCED SLOTS .250 WIDE .625 LONG. PRESSURE IN WATER SYSTEM (LBS/SQ IN) ENGINE R.P.M. LEGEND: RESTRICTED DELIVERY NOZZLE RESTRICTION VALVE (LE C 2673) CLOSED " " " OPEN 2. STAMP: ROLLS-ROYCE JAN 22 1930 DERBY | ||