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 of water outlet temperatures against cylinder block outlets for a supercharged engine under various power and speed conditions.
| Identifier | ExFiles\Box 179b\3\ img252 | |
| Date | 16th February 1933 guessed | |
| KESTREL MOD SUPERCHARGED ENGINES CURVE 384 F GOSHAWK CYLINDERS TO DES. 1013 WATER OUTLET TEMPS VARYING WITH POWER AND SPEED ENGINE No K.II MS 607 WATER PUMP TO O.P. 38201 TOP WATER RAIL CLEARED OUT BY SECURING BOSSES. HORN PIPES FITTED WITH 3/16" DIA RESTRICTION WASHERS. CONDITIONS OF TEST:- ALL TESTS CARRIED OUT WITH MODIFIED ARRANGEMENT OF OUTLET RESTRICTION WASHERS AS OVER (a) CURVE RUN AT GOSHAWK II RATING VIZ GOSHAWK AT 2600 RPM - EVAPORATIVELY COOLED (b) CURVE RUN AT 700 B.H.P AT 3000 RPM. - NORMALLY WATER COOLED (c) CURVE RUN AT 242 B.H.P AT 1500 RPM - -do- (d) CURVE RUN AT 600 B.H.P AT 2500 RPM -do- NOTE:- Nos 1,5,9 & 11 PORTS ARE OUTLETS FROM CYL. BLOCK WATER JACKET Nos 2,3,4,6,7,8,10 & 12 ARE OUTLETS FROM CYL. HEADS Y-AXIS: WATER OUTLET TEMP °C X-AXIS: (FRONT) CYLINDER BLOCK OUTLETS (REAR) | ||