Figs, 1,2,7 N.A.C.A. Technical Memorandum No. 869 … (b) Flat-tube radiator with (a) Air-tube radiator without indirect indirect cooling surface, cooling surface. Ami A (c) Finned-tube radiator. (d) DVL-air radiator. Figure 1.- Types of block radiators, (the cooling air is horizontal from front to back). Fuselage or nacelle ',.'///////////. <D CO o O…
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