Construction; Wing Part I - DG Airparts Super XC Instruction Manual

Competitive sailplane
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Wing Part 1
Note: The wing, stabilizer, and
rudder skins can be damaged if
you lay them on sharp objects or
uneven surfaces. You can use a
towel on your workbench to pre-
vent this from happening.
1. Begin the wing inner panel by
marking the outboard end of the
flap. Measure 3/4" from the out-
board end of the wing towards
the root of the wing at the trailing
edge.
Hint: A Sharpie® Ultra Fine
Point Marker works well on the
fiberglass pieces.

Construction

2. Use a square to draw the line
from the mark on the trailing
edge to the recess line closest to
the trailing edge.
3. Flip the wing over and using
the mark on the top of the wing
as a reference, scribe a line with a
razor saw from the trailing edge
1 7/8" long.
Hint: A Zona® saw with the
teeth angling towards the handle
and pulling the saw towards your
body works well for scribing and
cutting.
4. At the root of the wing, scribe
a mark 2 1/2" from the trailing
edge.
Page 6
Super XC
5. Clamp a long straight edge at
both the root and tip. Be very
careful you do not over tighten
the clamp. Using the type of
clamp pictured, you can clamp
only using the bottom skin.
6. Using the saw, start at one end
of the wing and slowly cut along
the straight edge. The saw cuts
better if you keep the angle be-
tween the saw and wing small.
This allows more teeth to do the
work. Also the cut is nicer if you
make many light passes only re-
moving a little bit of material on
each pass, instead of trying to cut
the flap out in a single pass.

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