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 showing the effect of different cooling configurations on engine water temperature.

Identifier  ExFiles\Box 24\5\  Scan242
Date  2nd July 1938 guessed
  
GRAPH III.

Y-AXIS: 85°, 80°, 75°, 70°, 65°

X-AXIS LABELS:
STANDARD
REAR BONNET SHUTTERS OPEN
FRONT UNDERSHIELD OFF
FRONT BONNET SHUTTERS OPEN
ALL SHUTTERS OPEN
LOUVRED BONNET
LOUVRED BONNET FRONT FAN OFF

PLOT LINES:
TOP WATER TEMP
BOTTOM WATER TEMP

ADDITIONAL TEXT:
SPEED 62 M.P.H.
ATS. TEMP 20°C.
19 E.X. 14x52 AXLE. WT 48 CWT. EMPTY.
STANDARD 6 m/m 7 1/2 m/m TUBES. MATRIX AREA
CAR RUN UNTIL TEMPS. BECOME STABILISED
  
  


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