Jerry,
Look at the latest issue of RCSD.
There are plenty of equations that answer your exact questions. The article
starts on page 13, titled:
Basic sizing checks for homebrew RC thermal gliders by Mark Drela
http://www.b2streamlines.com/RCSD-2004-08.pdf
Jon
> >I need a little advice from all you design esxpets out there. I have been
> >playing around with a 2M and I think the stab size is a little shy of
what
> >it should be. It figures out to be about 12 1/2 % of the wing area and
was
> >wondering if this is what it should be. The plane does not an have an
overly
> >long tail moment and does this enter in to what is considered the norm.
Any
> >help is appreciated.
> >Jerry
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