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 and bar chart analysing the performance of a vehicle's cooling system under various fan, speed, and ventilation conditions.
| Identifier | ExFiles\Box 24\5\ Scan265 | |
| Date | 2nd July 1930 | |
| GRAPH I A.{Mr Adams} TEMPERATURE C° 85° 80° 75° 70° 65° 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 6m/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 TEMP. 20°C. 19 EX. CAR. TEMPERATURE C° TOP WATER 75 M.P.H. 60 M.P.H. 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. | ||