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 plotting results from an oil cooler in water system experiment, comparing performance with and without the cooler.
| Identifier | ExFiles\Box 131\1\ scan0272 | |
| Date | 29th January 1937 | |
| 25/30 S 21 OIL COOLER IN WATER SYSTEM EXPERIMENT JAN. 29. 1937. Ph. III OIL COOLER BETWEEN RADIATOR AND WATER PUMP PIPE DIA. FROM RAD. TO PUMP = 1.125 BORE ① WITH OIL COOLER IN CIRCUIT ② WITHOUT WATER CIRCULATION IN GALLS/MIN. R.P.M B.T.U.S/MIN HEAT RISE ACROSS ENGINE °F C.T.S. | ||