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).
40/50 Oil Pump tests, with comparison data for a Feuerheerd pump.
| Identifier | ExFiles\Box 149\2\ scan0015 | |
| Date | 22th December 1927 | |
| 40/50 OIL PUMP TESTS FOR COMPARISON WITH FEUERHEERD PUMP A/ DELIVERY AT 100 R.P.M. (Test at 22°C) (Columns headed:) 40/50 FEUERHEERD 100 R.P.M AT 10 LB/□" PRESSURE, 1 GALLON IN 4 MIN 3 SECS. 4 MIN 50 40 LB/□" " - 4 MIN 4 1/2 SECS (text "4 1/2 SECS" is struck through) 4.71 60 LB/□" " - 4 MIN 6 SECS 100 LB/□" " - 4 " 6 " B/ PUMP WILL JUST DELIVER AT 100 LB/□" PRESSURE AT (Test at 9.5°C) 30 R.P.M C/ PUMP WILL JUST LIFT MOTORINE "C" 3FT. 10 1/2 INS. (FLOOR LEVEL TO ¢ OF SUCTION PIPE) AT 50 R.P.M. D/ (Test at 31°C) 1000 R.P.M - 100 LB/□" - 1 GALLON IN 27 3/5 SECS. 1.46 WT OF 40/50 PUMP 3LB 7 1/4 OZ DELIVERY GOOD, ALSO PRESSURE IS STEADY UP TO 100 LB/□" | ||