Rolls-Royce Archives
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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.
  
  


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