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 showing the delivery rate and test conditions for an A.C. petrol pump.
| Identifier | ExFiles\Box 27a\2\ Scan021 | |
| Date | 17th February 1928 guessed | |
| A.C. PETROL PUMP. A.C. PETROL PUMP DELIVERY. PHANTOM CONSUMPTION FULL THROTTLE. GALS/MIN. ENGINE R.P.M. A.C. PUMP & FILTER. CONDITIONS FOR TEST PIPING STANDARD .240 INSIDE DIA. SUCTION PIPE 172' LONG. DELIVERY 54' LONG. SUCTION HEAD -13" DELIVERY 24" PISTON STROKE .250" PUMP CEASES TO DELIVER AT A BACK PRESSURE OF 2.5 LBS/□" THE A.C. PUMP CONTINUES TO DELIVER DOWN TO AN ENGINE SPEED OF 100 R.P.M. PUMP ASSUMED TO BE DRIVEN OFF THE CAMSHAFT, HENCE ENGINE SPEED IS PUMP SPEED HALVED. | ||