On 2016-04-21, at 10:09, tennant <barrington.tennant@gmail.com> wrote:
> All These new fangled Gadgets!!
> About 20 years ago I just shaped some foam to naca shape. I got a set of Ford
Fiesta side vent grills from a scrap Yard and laminated them in the recommended
place. Perfect, and lots of air, even in a steep climb.
Barry - thanks for that thought - I was wondering about making my own duct - the
one supplied is only a first-order approximation to the ideal NACA shape.
in friendship
Rowland
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