Quote:
Originally Posted by Frank Lee
I think complications come from having a 2D template with only a side view trying to define an optimal 3D form.
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That's always tricky, as the sides and their interaction with the air going over the car, also contribute to the drag - or lack of it.
Winglet design shows just how much effect this interaction can have - and that's on a design where the basic
2D shape extends out for 30m / 60' or so.
The Schlörwagen shows how it's done though.