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 temperature rise of a hot spot on an F-2-B Series Phantom engine with different exhaust and water heating methods.
| Identifier | ExFiles\Box 66a\2\ scan0211 | |
| Date | 12th June 1928 | |
| COMPARISON OF THE TEMP. RISE OF HOT SPOT ON F-2-B SERIES PHANTOM WITH EXHAUST & WATER HEAT. V356. 12-6-28. ENGINE STARTED UP FROM COLD & RUN LIGHT AT 700 R.P.M. STD EXHAUST HEATING WITH BUTTERFLY IN DOWN PIPE CLOSED EXHAUST HEATING. BUTTERFLY VALVE REMOVED FROM DOWN PIPE. WATER HEATING - NO RADIATOR. THE WHOLE OF THE JACKET WATER BEING CIRCULATED THRO' THE HOT SPOT (2.5 GALLS) WATER HEATING WITH RADIATOR. SHUTTERS CLOSED. HOT SPOT RECEIVES ONLY BY-PASS WATER AS PREVIOUSLY TESTED ON PHANTOMS. TEMP OF OIL IN HOT SPOT °C TIME IN MINS AFTER ENGINE STARTS. LIMITED ROOM aeb 13 JUN 1928 | ||