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).
Performance graph of petrol pump tests, comparing delivery rate versus pump speed for different pump configurations.
| Identifier | ExFiles\Box 17\5\ Scan085 | |
| Date | 12th October 1931 | |
| FILE UNDER PETROL PUMP HS.{Lord Ernest Hives - Chair} 447 PETROL PUMP TESTS LEC. 2907/9 12-10-31 STANDARD PETROL TANK AND SUCTION PIPES STROKE .250" CURVES 2 & 3 DELIVERY PTS/HR. PUMP SPEED R.P.M. CURVE 3. P.II PUMP WITH "BOTTLE" CONNECTED DIRECT TO INLET PORT UNRESTRICTED DELIVERY DELIVERY PRESSURE 1 LB/SQ INCH CURVE 2 P.II PUMP WITHOUT "BOTTLE" UNRESTRICTED DELIVERY DELIVERY PRESSURE 1 LB/SQ INCH FOR THE ABOVE TESTS ALL THE PORTS AND PASSAGES WERE OPENED OUT TO R.C. DIMENSIONS & THE VALVE STOPS WERE CONVERTED TO PIN STOPS. THE INITIAL SPRING LOADS WERE:- UPPER 8 1/2 LB. LOWER 20 LB. R.C. FABRICS 2.800 Crs. | ||