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).
Performance graph for a Bentley Gallay 3-row block radiator, showing HP dissipated and air pressure against air flow.

Identifier  ExFiles\Box 149a\2\  scan0366
Date  25th February 1936
  
BENTLEY RADIATOR (GALLAY 3 ROW BLOCK.)
FRONTAL ASPECT 3.2 sq. ft.
FRONTAL AREA 3.18 sq. ft.
COOLING SURFACE
No OF TUBES 141 (3 ROWS)
DEPTH OF BLOCK = 50 M.M.
WATER FLOW (A) 34.6 GALLS/MIN.
(B) 20.5 GALLS/MIN.
AIR INLET 60°F
WATER MEAN 160°F
L611B1
H.P. DISSIPATED
(A)
(B)
AIR PRESSURE WATER AT 160°F
AIR PRESSURE WATER AT 60°F
Left Y-Axis: STATIC DIFFce IN AIR PRESS. INS. OF WATER, MATRIX TRUNKED FORE AND AFT
Right Y-Axis: H.P. DISSIPATED/100°F TEMP. DIFFce AIR INLET TO WATER MEAN
Upper X-Axis: AIR FACE VELOCITY M.P. HOUR.
Lower X-Axis: AIR FLOW C.FT/MIN.
CALCULATED AT 60°F AND 29.9" Hg
AYTON DERBY
LINCOLN
W S 25/2/36
  
  


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