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wrong cab extension shape
oh, BTW
you are right on my cab extention - it has the wrong shape
it also has a rough leading edge and was pretty flimsy so it changed shape in the wind
I am just surprised at how delicate the flow over the back is
the extention is "in the ball park" on angles
I thought I would get less of a drag reduction - not a drag increase
the flow over the nose is much more forgiving in a lot of ways
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