On Nov 3, 6:40*pm, wrote:

To satisfy your curiosity I will enlighten to my reasons for
refinishing the Ventus. *I SH gel-coat does not hold up well in
Florida (or anywhere else where the sun shines). And even tho
presently I'am not in the top 10 at the National doesn't mean I don't
want to fly a sailplane that performs like a contender. The gel-coat
is crazed and needs redone. Its A lot of work so I want to do the best
I can.

If you have crazed gelcoat, that is obviously not a good thing.

But making CNC templates for some mythical reference profile, and then
adding a bunch of filler and work to make your wings match it, will
likely introduce more problems than it solves. Your best bet is to
profile only the first few inches of leading edge, and for the rest of
it just concentrate on getting the waviness down to around .002". And
given a choice between those, I'd ditch the profiling and concentrate
on the waviness.

I've done template checks on a variety of sailplanes, and I have
stopped being surprised at how often the left wing profile has
substantial variations from that of the right wing. And this isn't on
dogmeat gliders, these are nationals-winning machines that go like
stink and fly straight as arrows. The takeaway there is that absolute
fidelity to profile is way down on the list of things you need. Much
higher on the list is lack of waviness that prematurely trips laminar
flow .

Thanks, Bob K.
www.hpaircraft.com/hp-24
(also search Facebook for "HP-24")