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).
Water circulation test results comparing pump delivery against water temperature for different radiator configurations.
| Identifier | ExFiles\Box 24\5\ Scan252 | |
| Date | 1st July 1930 guessed | |
| WATER CIRCULATION TESTS PII Graph 5: PUMP DELIVERY GAL/MIN RAD E79321 BOTH SUCTION OUTLETS UTILISED 1st L.H. CHASSIS RAD WITH TOP FEED E77675 2500 ENGINE R.P.M. BOTTOM WATER TEMP C° Diagrams: RAD E79321 6 3/4" - 7 3/4" 4 DEEP 26.8" 23.5" RAD E77675 6 3/4" - 7 1/2" 4 DEEP 26" 23.25" Graph 6: 2.00 SS{S. Smith} UNIT SS{S. Smith}7 RAD E79951 VENTURI IN OUTLET. DEPN ON SUCTION SIDE OF PUMP FLOW GAL/MIN PUMP INLET DEPN WATER PUMP DELIVERY GAL/MIN PUMP SUCTION DEPRESSION INS HG 2500 ENGINE R.P.M. BOTTOM WATER TEMP C° Axis values: 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100, 8, 10, 12, 14 | ||