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 chart comparing the delivery rates of different Bensports petrol pump configurations against pump RPM.
| Identifier | ExFiles\Box 27a\2\ Scan178 | |
| Date | 29th March 1933 | |
| BENSPORTS PETROL PUMP SUCTION AND DELIVERY PIPES AS ON CHASSIS HEAD ON PUMP AS ON CHASSIS. No CARB FITTED DELIVERY PTS/HR. PUMP R.P.M. No 4 PUMP ALL HOLES 3/32 DIA STRONG PRESSURE SPRING 4.2 LBS/□" No 3 PUMP STANDARD HEAD STRONG PRESSURE SPRING MAX PRESS. 4.3 LBS/□" No 3 PUMP STANDARD MAX PRESS 3 LBS/□" HS{Lord Ernest Hives - Chair} 1034 29.3.33 | ||