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).
Two graphs comparing engine coolant flow rates in Gallons/Min against Engine RPM for different system configurations.

Identifier  ExFiles\Box 24\5\  Scan249
Date  6th July 1944
  
GRAPH 1:
RAD E7935/6/4
L.H. ENGINE USED
Y-Axis: FLOW GAL/MIN
X-Axis: ENGINE R.P.M.
A.{Mr Adams} VENTURI IN TOP DELIVERY PIPE
B. SUCTION SIDE
C. AND WRONG WAY ROUND
SHEWING ERRORS IN MEASURING UNLESS VENTURI CORRECTLY FITTED

GRAPH 2:
RAD E79448 6/7/44. MEAN BOTTOM WATER 67°
Y-Axis: FLOW GAL/MIN
X-Axis: ENGINE R.P.M.
A.{Mr Adams} TWO RAD OUTLETS & BOTTOM PIPE.
B. STANDARD SINGLE RAD OUTLET
C. DITTO FIRST L.H. ENGINE
MINIMUM DELIVERY THAT WILL NOT CAUSE OVERHEATING.
23 - .125 HOLES IN OUTLET
  
  


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