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 comparing the performance of Gallay and RR oil coolers by plotting heat dissipation and pressure drop against fluid flow rates.
| Identifier | ExFiles\Box 131\1\ scan0226 | |
| Date | 11th October 1936 | |
| File No 1114 WATER FLOW - LBS/MIN. HEAT DISSIPATION - BTh.U's/HR/63°F TEMP DIFF. OIL PRESSURE DROP ACROSS COOLER - INS. HG. BTh U's V.{VIENNA} WATER FLOW BTh U's V.{VIENNA} OIL FLOW COMPARISON OF OIL COOLERS GALLAY COOLER RR COOLER (LARGE HEX) RR COOLER (SMALL HEX) OIL PRESS. DROP V.{VIENNA} OIL FLOW (CONST. OIL MEAN TEMP= 20°F) CONSTANT OIL FLOW 53 LBS/MIN CONSTANT WATER FLOW 105 LBS/MIN OIL FLOW LBS/MIN. b S Steadman 11/10/36 | ||