Art Mcnamee wrote:

> Hi Rick,
> The RG15 airfoil has a bad rep for some reason that I don't understand.
> You have to practice and learn to fly it and you will learn to love it.
> Cambering the  T.E.,as O.W. suggested works great.
> The RG15 is one of the best all around airfoils. It can go fast, thermal well and go 
>from thermal to thermal better than most.
> The 3021 is a good one also. It was used on the Falcon 880 which is a good thermal
> glider,to name just one.
> I have an Eagle with the RG15 and I can thermal with all the rest of the T.D. 
>gliders,
> so don't be afraid to learn to fly the RG15.
> The T tail on most any glider can be changed to conventional tail feathers if 
>desired.
> Do keep it light.
> Art
> Rick Bothell wrote:
>
> > I just bought a Spectrum with an RG15 airfoil.  I was told it was an
> > S3021.  Basically an obechi over white foam 104 inch wingspan.  Nice
> > fiberglass with Kevlar strip t-tail fuse.  How will the RG15 fly
> > compared with the S3021.  Yes, I know RG15 is used in F3B.  How about
> > using it in a Thermal-Duration contest where landings are very
> > important.  Any insights will be greatly appreciated.  Anyone want to
> > buy a Spectrum w/RG15 for $220 plus shipping?   My Cost.   Rick
> > Bothell,  Prescott Valley, AZ
> >
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