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 water flow tests on a Phantom II No.7 unit with a standard radiator.
| Identifier | ExFiles\Box 29\3\ Scan295 | |
| Date | 14th October 1930 guessed | |
| WATER FLOWS TESTS ON P.II N°7 UNIT. STANDARD RADIATOR (E.77675) OFF PRODUCTION STANDARD CIRCULATION DELIVERY GALLS/MIN. LBS/D'' PRESSURE DELIVERY SIDE PUMP BOTTOM WATER TEMP. LBS/D'' DEPRESSION SUCTION SIDE PUMP 2500 R.P.M. 3000 R.P.M. CIRCULATION UNDER 4 LBS/D'' PRESSURE PRESSURE LBS/D'' DEPN LBS/D'' R.P.M. 2500 3000 | ||