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Carl Goldberg GPMA0963 Cub User Manual

Page 7

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7

5.

Place fin and rudder over plan and mark hinge location

Mark hinge locations for stab and elevator.

On stab & fin, mark center lines at hinge locations

On elevator & rudder, mark center lines along entire L.E.

6.

Using CG Center-Line marker provided, mark center-

lines along edges of parts as shown above. Tilt marker so
guide pegs touch the wood., then lightly pass the marker
back and forth. Point will scribe center line.

Using scrap ply from “sanding tool” sheet as a shim,

cut slots for hinges as shown. Sand ply if necessary so
blade cuts on center.

8.

Repeat this method in step 7 for fin and rudder.

First break corners with the sanding block. Then,

follow with stab sanding tool, rounding off all outside
edges except bottom of fin and the rudder L.E. Blend stab
and elevator at tips.

IMPORTANT! The hinges are not

9.

Using a sanding block, flat sand stab, elevator, fin

and rudder, smoothing out surfaces.

Using no glue, TEMPORARILY attach elevator to stab

and fin to rudder with hinges in place. Hold parts together
with tape.

10.

Remove tapes and separate elevator and rudder from

stab and fin.

Tape T.E. of elevator and rudder to work surface,

using

appropriate beveling tool, sand L.E. to center line.
Turn parts over and repeat beveling for other side.

THIS COMPLETES THE TAIL ASSEMBLY

CONSTRUCTION.