Great Planes Ultra Sport 40 Plus Kit - GPMA0390 - Manual (Page 41)

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12. Draw a line between the marks you made in step 9.
Draw another mark 1/2" [13mm] away from the belly pan
edges at the line. Use a high speed rotary tool to open up
holes at the marks for the wing bolts.
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13. Sand the belly pan corners round.
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14. Locate the 3/8" x 2" x 6" [9.5mm x 51mm x 152mm]
balsa block and cut it in two 3" [76mm] pieces. Glue a block
to each side of rib W2 as shown above.
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15. Sand the blocks flush with the wing skins. Also, test
fit the wing onto the fuselage, sanding the blocks if
necessary until it fits well.
Note: These final landing gear installation steps can be
done before or after the covering has been applied to the
airframe.
INSTALL THE LANDING GEAR
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