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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).
Graphical analysis of the effects of fan configuration, speed, and ventilation on the engine cooling system.

Identifier  ExFiles\Box 19\4\  Scan124
Date  2nd July 1930
  
GRAPH I
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.
TEMPERATURE C°
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.{Mr Elliott - Chief Engineer} 77675
26.0
23.25
FAN CHOC À BLOC 6 M/M 7 1/2 M/M RAD TUBES
B. ATS TEMP. 20°C. 19 EX. CAR.
75 M.P.H.
60 M.P.H.
TEMPERATURE C° TOP WATER.
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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