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).
Graphs illustrating the results of a Brooklands test on an engine cooling system, detailing the effects of fan configuration, vehicle speed, and radiator shutters on water temperature.
| Identifier | ExFiles\Box 92\2\ scan0091 | |
| Date | 2nd July 1930 | |
| GRAPH I TEMPERATURE C° A.{Mr Adams} NO FAN STANDARD SPRING TENSIONED WHITTLE BELT. WHITTLE BELT TIGHTENED CHOC À BLOC BELT CHOC À BLOC AND FAN 1" NEARER RAD TOP WATER TEMP BOTTOM WATER TEMP ATS TEMP. 20°C STANDARD 6 M/M 7 1/2 M/M RAD ALL SHUTTERS CLOSED 62.5 M.P.H. 19 EX CAR WT. 48 CWT. 11 x 41 AXLE. BROOKLANDS TEST 2ND JULY 1930 EFFECT OF FAN ON COOLING SYSTEM. RAD: E.{Mr Elliott - Chief Engineer} 77675 26.0" 23.25" FAN CHOC À BLOC 6M/M 7 1/2 M/M RAD TUBES B. ATS TEMR 20°C. 19 EX. CAR. 75 M.P.H. 60 M.P.H. TEMPERATURE C° TOP WATER ALL SHUTTERS OPEN 78°C. ALL SHUTTERS CLOSED 84.5°C ALL SHUTTERS OPEN 73°C ALL SHUTTERS CLOSED 78.5°C EFFECT OF SPEED AND VENTILATION ON COOLING SYSTEM. | ||