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 for a Vacuum Pump on a Super Sports Engine, plotting petrol delivery and suction against engine RPM.
| Identifier | ExFiles\Box 64\1\ scan0009 | |
| Date | 1st September 1928 | |
| VACUUM PUMP. (SUPER SPORTS ENGINE). ENGINE No SS{S. Smith}-3. BORE = 1.125" STROKE = .800" PUMP RUNS AT HALF SPEED OF ENGINE. PETROL DELIVERY (PINTS PER HOUR) R.P.M. OF ENGINE. SUCTION OF PUMP. (INCHES OF MERCURY). FUEL DELIVERY REQUIRED BY ENGINE (FULL THROTTLE). SUCTION OF PUMP. FUEL SUPPLIED BY PUMP THRU' STANDARD AUTO-VAC. FUEL SUPPLIED BY PUMP THRU' STANDARD AUTO-VAC WITHOUT NON-RETURN VALVE IN SUCTION ELBOW. STAMP: ROYCE, LIMITED PRINT ROOM, 5 SEP 1928 DERBY | ||