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 of petrol pump performance showing delivery rates at various pump speeds and spring configurations.
Identifier | ExFiles\Box 17\5\ Scan082 | |
Date | 23th September 1931 | |
PII PETROL PUMP. LEC 2907/9. STD: TANK, PIPES, & PETROL. PUMP TO ENGINE R.P.M. = 0.5 TO 1 PRESSURES GIVEN IN GRAPH ARE DELIVERY PRESSURES. Y-AXIS: DELIVERY PTS/HR. X-AXIS: PUMP SPEED R.P.M. Graph Legend: 0 LB/□" { UPPER SPRING REMOVED. (DIRECT LIFT) 1 LB/□" { LOWER SPRING 20LB. 0 LB/□" { UPPER SPRING 14LB. { LOWER " 20 " 0 LB/□" { UPPER SPRING 3.5 LB. { LOWER " 20 " 0 LB/□" { STANDARD SPRINGS. 1 LB/□" { UPPER 3.5LB. LOWER 10LB. | ||