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 PII No 7 unit with a standard radiator.
| Identifier | ExFiles\Box 15\1\ Scan407 | |
| Date | 14th October 1930 guessed | |
| WATER FLOWS TESTS ON PII N° 7 UNIT. STANDARD RADIATOR (E.{Mr Elliott - Chief Engineer} 77675) OFF PRODUCTION STANDARD CIRCULATION DELIVERY GALLS/MIN. PRESSURE LBS/SQ" DEPN LBS/SQ" LBS/SQ" PRESSURE DELIVERY SIDE PUMP BOTTOM WATER TEMP. LBS/SQ" DEPRESSION SUCTION SIDE PUMP. LEGEND: 2500 R.P.M. 3000 R.P.M. CIRCULATION UNDER 4 LBS/SQ" PRESSURE. R.P.M. 2500 3000 | ||