13
Paint the Rear Tip Skid Mount (WP3) black and wrap it around the skid, twist it 90deg and glue
to the back of the spar just inboard of the tip rib. Trim to length.
Figure 1.11 Tip skid detail
5.k. Final Finish: Finish the wing with a couple of thin coats of clear semi-gloss or matte spray
being sure that the ribbon material is well wetted.
B.
The Middle Wing
Middle Wing Parts List
Part #
Name
Count
Material
WW10
Middle wing spar bottom/top
4
1/32 laser cut plywood
WW11
Middle wing spar front
2
1/32 laser cut plywood
WW12
Middle wing spar rear
2
1/32 laser cut plywood
WW4
Wing rib
14
1/32 laser cut plywood
WW13
Middle root rib
2
1/32 laser cut plywood
WW5
Bottom/middle tip rib
2
1/32 laser cut plywood
WW6
Bottom/middle tip rib doubler
2
1/32 laser cut plywood
WW7
Bottom/middle wing tip
2
1/32 laser cut plywood
WW9
Spar connecter
2
1/32 laser cut plywood
WW14
Middle wing leading edge
2
1/64 laser cut plywood
WW15
Middle wing root trailing edge
2
1/32 laser cut plywood
WP3726
Rib stiffener
stock
1/64” x 1/16” (1.6 x .4 mm)
WP3600
Rear spar
stock
.031” square (1 x 1 mm)
WP2527
Rib and leading edge bracing
tape
stock
1/16 in white Ribbon
WP3600
Trailing edge brace
stock
.040” square (1 x 1mm)
WP498
Trailing edge
stock
.015
” dia wire (0.4mm)
WP3607
Spar spacer and tip braces
stock
1/32” x 1/4” (.8 x 6 mm)
WP3726
Rib caps
stock
1/64” x 1/16” (1.6 x .4 mm)