Guys, again,
 I just finally shipped all the construction books and many pounds of other accouterments to my owner so I have nothing to refer to (he finally found the handle for his now two year old 40 hr IVP and took it home, thanks to Orrin).  Superman is now with Skywest out of San Diego and he and Amber have two girls.  To the point...
 Does anyone out there have data on wing loading for the IVP and IVPT at 3500#?  With winglets and without? I seem to remember about 30+ #/sg ft. at 3200.  Awfully high loading for my owner who has about 1800 hrs on his Trinidad (a toad if there ever was one).
 Also, isn't the airfoil a partial (very slippery handling) laminar?  I sure thought so.
 I would suggest someone develop drooping ailerons which deploy about 6-7 degrees with T.O. flaps.
I owned an Aztec F with that Robinson STOL kit feature many years ago. Addmittedly the Clark Y airfoil is in an entirely different league but the performance increase was simply amazing.  At suicide climb speeds of, say, 45kts indicated (well below red line) it would climb at a 40+ degree angle when very light.  I also flew the DHC-6 in the Alaska bush out of Kotz and Bethel to those little PSP snow/mud covered runways.  We didn't have a 135 STOL certificate to use flaps 20 at T.O. but one capitan ALWAYS flew the only machine we had with long range wing tanks FULL (mains full, too) with 20+ sob's and baggage.  He was usually 1200# over gross (12.5).  Gees, only 10%, huh?  Legal for some.
 Design is king when flying heavy, tho excess horsepower is nice.  IVP's aren't designed for it.  Drooping ailerons sould be a great compliment to the very effective slotted Fowler flaps on the IVP and help out with SAFETY for these overweight Lancairs.
W P Dodson