Great Planes Ultra Sport 40 Plus Kit - GPMA0390 - Manual (Page 26)

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9. Now that both fuselage sides are completed, align
them and clamp them together. Lightly sand the fuselage
edges until they are identical. Also, sand the end of the
fuselage side (where the stab doubler (SD) is) at a slight
bevel as shown.
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10. Locate the die-cut 1/16" [1.6mm] balsa forward
fuselage top (FFT) and aft fuselage top (AFT). Align them
over the plans and glue them as shown. After the glue has
cured, sand the joint smooth. Pin the assembled top
fuselage on the plans.
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11. Locate the die-cut 1/8" [3.2mm] lite-ply fuselage former
F3 and the die-cut 3/32" [2.4mm] balsa fuselage formers
F4, F5 and F6. Glue them in position on the fuselage top as
indicated on the plans. Make sure that all formers are glued
90 degrees to the building board.
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12. Glue the right side of the fuselage to the fuselage top.
When completed, glue the left side in place.
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13. Locate the two die-cut 1/8" [3.2mm] lite-ply fuselage
formers F1. Glue them together with epoxy. Wipe excess
epoxy with a paper towel dampened with alcohol. Sand the
edges so they match after the glue has cured.
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