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yes you could be right!! but as you know the air flowing through the radiator is slowed down enough to pick up heat the hot air expands and the expanding air creates thrust off setting drag some thing they didn't know in 1916 .. The P 51 just to name a few used this to and advantage the radiator produced enough thrust to add to the top speed of the aircraft were most were happy with enough thrust to off set the drag .. well the idea was borne in WWI by JUNKERS by placing the radiator under the wing and a little back on the iron prototype ... 1 question were would the expanding air go on the top wing over the top right, you have a hight psi area under the wing open to the low psi to the top wing great cooling effect but a loss of wing area !! ... Doug
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