Resistance and Cooling Power of Various Radiators (1928)
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9 RESISTANCE AND COOLING POWER OF VARIOUS RADIATORS … 30 40 50 70 90 110 130 50 70 90 110 140 Air speed in M. PH., V Air speed in M.P.H., V Fig. 13.—Figure of merit versus air speed for various radia- Fig. 12.—Resistance versus air speed of Hein- tor cores rich wing radiators
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