Dynaflite DYFA3045 - Manual (Page 18)

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8. Cut the bottom aileron spar from
a 1/8" x 1/4" x 24" [3.2 x 6.4 x 610mm] basswood
stick as shown on the plan, then pin it over its
location. Save the remainder of the stick for
the top.
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9. Glue all the ribs except for rib R3
at the root of the panel and rib R6 at the
tip of the panel to the spars and sheeting.
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10. Cut the cap strips that go under
rib R6 from a 3/32" x 3/8" x 24" [2.4 x 9.5 x
610mm] balsa stick, then glue them into
position. Glue rib R6 to the assembly.
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11. The same as was done for the ribs
on the ends of the center panels, use a hobby
knife and a straightedge to cut partway through
the outside of the remaining rib R3 that goes on
the end of the outer panel you are working on.
Refer to this photo for the following
two steps.
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12. Without using any glue, add the
following parts to the assembly:
• Rib R3 that goes on the root end of the panel.
• The top, forward spar cut from a 1/8" x 1/4" x
24" [3.2 x 6.4 x 610mm] basswood stick.
• The top, aft spar cut from a 1/8" x 1/4" x 30"
[3.2 x 6.4 x 760mm] basswood stick.
• The die-cut 1/8" [3.2mm] plywood outer
webs (OW) that go on the forward spars.
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13. Using the die-cut 1/8" [3.2mm]
plywood dihedral gauge (DG) and the outer
webs to set rib R3 at the correct angle, glue rib
R3 to the bottom spars and sheeting only.
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14. Glue the top spars to all the ribs.
Glue the outer webs to the spars and ribs. Note
that the top of the outer web on the back of the
spars is even with the top spar.
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