Quick question,are large tip tanks on say a larger cargo plane ,in essence serving the same purpose as winglets.Do the large tip tanks create the same aeronautical advantages that purpose built winglets provide.I would say no,as theywould not create a longer "virtual span".This question arises out of a discussion group on the Lockheed Constellation,with some versions having very large tip tanks accomadating as much as 600 gallons or so of fuel.The structure is indeed tip tank like in nature having no real airfoil or camber,simply large tanks,anyone have any thoughts ?
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