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 test results for a petrol pump, showing delivery rate versus speed under various configurations.
| Identifier | ExFiles\Box 17\5\ Scan103 | |
| Date | 27th October 1931 | |
| LEC 2907/9 P1 PETROL PUMP 27 EX PUMP MODIFIED IN STAGES STANDARD TANK & SUCTION PIPES INLET PIPE CONNECTED PUMP BY UNION - EXCEPT TEST 13 DELIVERY PTS/HR Test 1 STANDARD PUMP - 2,700" FABRICS INITIAL LOAD { TOP SPRING 3.5 LB / BOTTOM 10" } Max. Press. 2 1/2 LB/SQ" Test 2 A.C. VALVES & PIN STOPS. RETAINED IN FUTURE TESTS. UNRESTRICTED DELIVERY DELIVERY PRESSURE 1 LB/SQ" 2,700" FABRICS Max. Press. 2 1/2 LB/SQ" Test 3 INITIAL LOAD { TOP SPRING 8 1/2 LB. / BOTTOM 20 LB. } SPRINGS RETAINED IN FUTURE TESTS 2,700" FABRICS Test 4 25 C.C. INLET RESERVOIR 2,700 FABRICS Test 5 100 C.C. AIR BOTTLE. 2,800" FABRICS SIMILAR RESULTS WITH 2,700" FABRICS Test 6 100 C.C. RESERVOIR 2,800" FABRICS Test 7 8 C.C. AIR BOTTLE. 2,700 FABRICS Max. Press 5 LB/SQ" Test 8 SUCTION PORT DRILLED .250 DIA. & 8 C.C. AIR BOTTLE. 2,700" FABRICS Max. Press 5 LB/SQ" Test 9 INLET PORT DRILLED .250 DIA { 8 C.C. & 100 C.C. AIR BOTTLE } 2,700" FABRICS Max. Press 5 LB/SQ" Test 10 SHORT SUCTION PORT DRILLED .218 DIA 100 C.C. AIR BOTTLE 2,700 FABRICS Max. Press. 5 LB/SQ" PUMP SPEED R.P.M. STAMP: ROLLS ROYCE LTD P7961 CHASSIS DIVISION 14 NOV 81 | ||