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 heat configurations.
| Identifier | ExFiles\Box 13\3\ 03-page044 | |
| Date | 12th June 1928 | |
| COMPARISON OF THE TEMP. RISE OF HOT SPOT ON F-2-B SERIES PHANTOM WITH EXHAUST & WATER HEAT. Y-AXIS: TEMP. OF OIL IN HOT-SPOT °C X-AXIS: TIME IN MINS AFTER ENGINE STARTS. DATA SERIES & ANNOTATIONS: 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. SIGNATURE & STAMP: ahh H.{Arthur M. Hanbury - Head Complaints} HOOK 18 JUL 1928 | ||