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).
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.
  
  


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