> ...
> I got a further 10 mph from leg fairings, but in this instance you
> have to bear in mind that the rectangular section gearleg provides
> about 50 sq. ins of flat plate area; whereas the tri-gear legs
> present an elliptical section to the relative airflow.
> ....
> Duncan McF.
A rectangular section is actually worse than a flat plate, but the
ellipse formed by the round, gear leg is very draggy too. If it works
out to 2/1 effective ratio (thickness/chord), Hoerner sez drag
coefficient of .75, or call it only 25% better than a flat plate. It
should have a fairing.
Reg,
Fred F.
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