Great Planes Ultra Sport 40 Plus Kit - GPMA0390 - Manual (Page 25)

side is what builds the engine right thrust so it is important
to install the left and right side correctly.
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4. Locate the “right” die-cut 1/8" [3.2mm] balsa forward
fuselage side (FFS), bottom forward fuse (BFF) and aft
fuselage side (AFS). Align them over the plans and glue
them together with epoxy. After the epoxy has cured, sand
the glue joint smooth.
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5. Locate the die-cut 1/16" [1.6mm] balsa stab
doubler (SD) and glue it as shown in the above image. The
aft edge of SD should be aligned with the aft edge of the aft
fuselage side AFS.
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6. Glue the right FSD on the assembled right forward
fuselage side as shown with epoxy. The top and forward
edge of the two parts must be aligned when glued.
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7. Locate one 3/16" x 3/16" x 30" [4.8mm x 4.8mm x
760mm] balsa stick and glue it to the bottom aft edge of the
fuselage side as shown above. Cut the protruding stick and
glue it to the bottom forward fuselage side.
❏
8. Repeat steps 3 to 5 for the left fuselage side. Remember,
the left side mirrors the right side of the fuselage. Do not
build two right fuselage sides!
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