Two graphs analysing the effects of fan type, vehicle speed and radiator ventilation on cooling system water temperatures.
| Identifier | ExFiles\Box 15\1\ Scan315 | |
| Date | 2nd July 1930 | |
| GRAPH I A. {Mr Adams} TEMPERATURE C° TOP WATER TEMP. BOTTOM WATER TEMP. ATS TEMP. 20°C STANDARD 6M/M 7 1/2M/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. DATA POINTS FROM LEFT TO RIGHT: NO FAN STANDARD SPRING TENSIONED WHITTLE BELT WHITTLE BELT TIGHTENED CHOC A BLOC BELT CHOC A BLOC AND FAN 1" NEARER RAD B. RAD. E. {Mr Elliott - Chief Engineer} 77675 26.0" 23.25 FAN CHOC À BLOC 6M/M 7 1/2M/M RAD TUBES 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 75°C ALL SHUTTERS CLOSED 78.5°C EFFECT OF SPEED AND VENTILATION ON COOLING SYSTEM. | ||
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).