Dremel US40 Instruction Manual download pdf (Page 14)

the rib cross-sections on the plan for the desired LE

shape).

34. Mark and cut out a 1/16" slot in W-l just

behind the spars, for the dihedral brace.

build the left wing panel.

35. Now go back and repeat Steps 9 through 34 to

3. Mix up a batch of 30-minute epoxy and push

some into the dihedral brace slots. Smear epoxy on the

spar ends, and on both sides of the 1/16" ply dihedral

brace. Slide the dihedral brace in place, push the wing

panels together and immediately proceed to the next

step.

4. With the wing tips blocked up 1 -inch, carefully

JOIN THE WING PANELS

align the LE and TE of both wing panels at the center and,

while holding them in correct alignment, apply thin CA

glue to "lock" the panels together. Do not apply CA

glue to any area that is already coated with epoxy.

Allow the epoxy to fully harden before disturbing the

wing.

NOTE: Read steps 1 through 4, then make a "dry

run" through these steps before actually

proceeding.

5. Sand the wing joint smooth all around.

1. Lay a piece of waxed paper down at the center of

the wing, place the two wing panels together at the center,

and block up both wing tips 1-inch. Sand the wing

panels at the center so they will fit together without a gap.

INSTALL AILERON TORQUE RODS

1. Roughen the short end of the aileron torque

rods with 100-grit sandpaper, and file the same end to a

wedge shape.

2. Trial fit the 1/16" ply dihedral brace to make

sure it will readily slide into place.

FILE END TO

WEDGE SHAPE

NOTE: 30-minute epoxy is strongly

recommended for the wing joining process.

2. Roughen the surface of the plastic bearing tubes

with 100-grit sandpaper.

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Dremel US40 Instruction Manual Page 14