[EMAIL PROTECTED] wrote:

> Hi All, I'm looking for information for a new wing for my Sagitta 900 to fly
> in RES contests. What I need is a poly planform that I could use on a 10"
> cord, 110" wingspan wing.

No guru but my $.02  Don't go much longer than this with a Sagitta 900 body.  IMHO 
stick to 100", any soaring ability gain, will be
lost in the landing circle.

> ......... Would 3* dihedral for the root panel and 10* angle
> for the tip panel be OK?

I'd stick with the stock dihedral, but put an extra 1" in the tips.

> I would also like to change the airfoil, the E205 to
> S3021.

My friend made a plane with this airfoil and liked it, but I'd go with the RG-15. The 
Sagitta's e-205 was easy to build on a table,
the s-3021 is almost the same so it should build on a table ok too. If the cusp 
surface on the bottom of the RG-15 is a problem, cut
a bottom bed out of foam to build it on.

> I Plan to get one of the
> laser cutting companies to cut several wing ribs sets.

You might want to see if someone else wants to go in with you on this and split the 
setup cost.

Rich B

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