Dimples On Model Aircraft Could Greatly Extend Range

On Nov 5, 4:10*am, bbrought wrote:
pressure drag due to seperated flow and skin friction drag. First, on

majority of the drag is pressure drag due to the flow seperating as it

drag as a smaller region of flow eventually seperates. The drag

Reynolds numbers you sometimes get what is called a "seperation
bubble". While still laminar, the flow seperates, but then it

trailing edge if properly designed. These seperation bubbles are

the point where the flow would have seperated, to prevent the
formation of the seperation bubble. If well designed and placed, you

towards the rear but without the seperation bubble. The overall drag
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Remember that separate has a rat in it.