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 effects of the fan, speed, and ventilation on the cooling system.
| Identifier | ExFiles\Box 29\3\ Scan229 | |
| Date | 2nd July 1930 | |
| GRAPH I TEMPERATURE C° A.{Mr Adams} NO FAN STANDARD SPRING TENSIONED WHITTLE BELT WHITTLE BELT TIGHTENED CHOC A BLOC BELT CHOC A 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.77675 26.0" 23.25 FAN CHOC A BLOC 6 M/M 7 1/2 M/M RAD TUBES B.ATS TEMP 20°C. 19 EX. CAR. TEMPERATURE C° TOP WATER. 75 M.P.H ALL SHUTTERS OPEN 78°C ALL SHUTTERS CLOSED 84.5°C 60 M.P.H. ALL SHUTTERS OPEN 73°C ALL SHUTTERS CLOSED 78.5°C EFFECT OF SPEED AND VENTILATION ON COOLING SYSTEM. | ||