>Any secrets, or suggestions on setting them  (flying wings) up properly?

Well Tom, most RCSE'rs are groaning but thanks for asking. :-)
Most are simple and apply to all planes.

1. Build it FLAT.
Build it on the wing beds or at least a flat surface. Don't tension the tape
when applying. Use the recommended taping pattern on Both sides. Other
patterns are fine too it you're familiar with the concept. Tensioned or
wrinkled tape will cause problems later by leading to temperature variances.

2. CG
CG is deceptive on a wing but the common methods of setting apply. The only
things to remember are: A. Be very precise when doing so and B. Don't be
fooled by sort of OK results. Meaning watch for deceptive results. I had a
wing of my own design that I just didn't like. I thought it was setup as
good as possible but 1/2 an ounce on the nose turned it into a great plane.
I had the nose weight WRONG by 1/2 an ounce and didn't realize it. It took a
friend to see the problem and fix it. Wings can be deceptive. Precision is
also important. I had a wing where 1/8th inch difference of CG made all the
difference between average and BEST plane I've ever owned. Yet, a world
class pilot friend of mine built the same plane and thought it was junk.
Setup was critical on that one.

3. Equal Control Throws
Once built use a ruler to measure the control throws up and down. They
should be the same. Otherwise you get a pitch input. This is simple but most
don't worry about it.

4. Equal Twist
Same as a conventional. Different wing twist between sides is not good.
Different planes use different amounts of twist, regardless keep the sides
the same.

5. Sufficient not excessive Control Throws
Personal preference here. I like to limit max throw to just less than what
will cause the plane to snap. Then use expo to soften it near center if
needed.

When I say "just slam it together" as I have in the past. I'm not suggesting
ignoring these factors. I just take them for granted

Bill Swingle
Janesville, CA


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