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 using exhaust versus water heating.
| Identifier | ExFiles\Box 13\3\ 03-page039 | |
| Date | 9th June 1928 | |
| COMPARISON OF THE TEMP RISE OF HOT SPOT ON F.2.B. SERIES PHANTOM WITH EXHAUST & WATER HEAT. Y-AXIS: TEMP OF HOT SPOT °C X-AXIS: TIME IN MINS AFTER ENGINE STARTS ENGINE STARTED UP FROM COLD & RUN LIGHT AT 700 R.P.M. STD EXHAUST HEATING WITH BUTTERFLY IN DOWN PIPE CLOSED. WATER HEATING. NO RADIATOR, THE WHOLE OF THE JACKET WATER BEING CIRCULATED THRO' THE HOT SPOT (2.5 Gall) BC/S | ||