Wing Construction Cont.
☐
Cut the provided 24 in. length of 3/16 in.
square main spar cap stock to a length of
21-3/8 in.
Fit 21-3/8 in. length of spar stock to notches
within ribs at top of wing assembly over W1
“
❍
” designates spar start point centered over
the right rib R3 and finishing flush with the
outside edge of
the left rib
R4.
☐
Cut the provided 12 in. length of 3/16 in.
square main spar cap stock to a length of
3-15/16 in.
Fit 3-15/16 in. length of spar stock to notches
within ribs at top of wing assembly over W1
“
❍
” designates spar start point centered over
right rib R3 and finishing flush with the
outside edge of the right
rib
R4.
☐
Inspect fit of spar joint ensuring that joint is
centered over right rib R3. Bond spar stock to
W1 using medium CA glue.
☐
Align and bond W9a and W9b together at
scarf joint to create one sub-spar part W9.
SkyBuggy © 2010 Stevens AeroModel all rights reserved.
Page 19 of 30
21-3/8 inches
R3
R2
R4
W1
3-15/16 inches
R3
R2
R4
W1
View: Top / Right
View: Top / Right
R3
View: Top / Right
W9a
W9b
