Quote:
Originally Posted by aerohead
I've been struggling with an English translation of Kamm's research and what I can say is, 'don't do 'rounded' truncations.Make the cut as if you'd do it with a bread knife.Straight chop.
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One of the forum members once tried a rounded trailer rear - it made it rather unstable.
You get Coanda effect as air flows over the rounded surface, pulling at the surface trying to lift it.
As the air flow is never even L/R it pulls more on one end, then on the other ...