Tape the top beds together with fiber filament tape. Then tape the bottom beds
together. Remove the hairs and zigzags from the wing cores and beds by
rubbing them with EPP foam block. Lay the bottom beds on a flat surface. Set
the wing cores on the beds top side up and lightly block sand the wing panels
(cores) with #150 or #320 sandpaper. Blocksand the leading edge (LE) to round
the flat spot. Place the wings in the top beds and repeat the procedure on the
wing bottom.
Spray the root (wide end) of the wing panels with 3M Super 77 Spray Adhesive.
Hold the spray head 1 inch from the root. Spray a long bead along the root edge.
Spread the bead with a small brush, a mixing popsicle stick, or foam block. Let
the adhesive dry until it will not come off on your finger (approx. 20 min.) Join
the wing panels together making sure that the center spar channels on the
bottom side of the wing are aligned. Put two pieces of fiber tape across the
seam to hold the wing panels together while the glue dries.
Use the popsicle stick as a trowel to direct the adhesive into the spar slot.
Repeat this until the entire inside of the groove is wet with adhesive.
Lay two flat carbon spars on a piece of newspaper and spray them with
adhesive. Starting two inches from the center line, push the spars into the
channel. Make sure that the entire spar is below the wing surface.
Lay the top beds on a flat surface and cover them with clear food wrap to
prevent the wings from sticking to the beds. Put the wing panels in the top bed
bottom side up.Repeat the carbon fiber gluing procedure on the bottom side.
Glue the carbon fiber spars in the top side first. Lay the bottom beds on a flat
surface. Put the wing panels in the bottom bed top side up. Hold the spray head
2 inches from the spar slot. Spray one long puddle of spray adhesive the length
of the two spar slots.
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