Zenoah TWIN GT80 Instruction Manual download pdf (Page 7)

Step 1. Using a straight edge held in alignment (90°) with the

servo arm and with the hinge line as shown, mark the aileron with

a pen where the straight edge intersects the aileron hinge bevel.

Step 2. Measure exactly

" rearward from the mark above

parallel to the hinge line and make another mark using a pen.

This will be the position for the control horn.

Step 3. Untape the ailerons from the wing. Use rubbing alcohol

to remove any tape residue. Notice that the hinge pockets are

already cut into place.

Step 4. Using a

/32

" drill bit and hand drill, carefully drill a

/32

" hole through the aileron at the marked position. [Drill

perpendicular (90°) to the aileron cross section rather than the

ailerons surface.] Be especially careful when penetrating through

the bottom surface of the aileron as it’s easy to split out the wood

and rip the covering. Placing a wooden block under the aileron

and drilling slowly will prevent these problems. If you choose to

use the counter sink screws included in the Hangar 9 Hardware

Package, counter sink the top of the aileron to allow the screws

to fit flush.

Note: A hardwood block (hardpoint) is located below the

sheeting; you will be drilling through this.

Section 2: Installing the Aileron Control Horns

• Wings with ailerons and servos

Included in Optional Hangar 9 Hardware Package

• (2) Control Horns (Rocket City 8-32 Swivel Control

Horn #ROC01B)

• 12" or longer ruler

• Drill w/

/32" drill bit

• 8-32 Tap (DUB363)

• 30-minute epoxy

• Pen

• Rubbing alcohol

• Paper towels

Parts Needed Tools and Adhesives Needed

90°

Hinge Pockets

1 2 3 4 5 6 7 8 9 10 11 12 ... 39 40

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Zenoah TWIN GT80 Instruction Manual Page 7