GREAT PLANES AT-6 Texan Buku Petunjuk - Halaman 13

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1. Balance Your Model (Cg)

5. Drill the locations for the cowl mounting screws using a

1/8" (3mm) drill bit. Mark the locations on the cowl mounting

blocks. Use a 3/32" (2.4mm) drill bit to drill into the blocks.

Install the screws and then remove them. Wick thin CA into

the holes to harden the wood, which will prevent the screws

from stripping the underlying wood.

6. Use 1/2" (13mm) squares of fiberglass cloth (not included)

to make reinforcements behind the holes of the cowling.

7. Using card stock, mark the positions for the glow plug

and needle valve. Install the cowl, and transfer the locations

to the cowl. Carefully trim the cowl, removing small

amounts of material as you progress.

Note: If your engine's carburetor is inaccessible with the

cowl in position, now would be a good time to add a Great

Planes Fuel Filler Valve (not included, GPMQ4160) to the

side of your aircraft. Instructions for installation are included

with the valve.

8. Mount the finished cowl with four #4 x 1/2" Sheet

Metal Screws and four #4 Washers.

9. Attach the muffler of your choice to the engine, and

trim the cowling so it can exit.

10. Attach the Wing Tips to the wing using medium CA.

Leave a 1/16" (1.5mm) gap between the Aileron and Wing Tip.

FINISH THE COCKPIT

1. Carefully trim the canopy along the cut lines with

scissors or Lexan® shears. Test fit the canopy on the fuse

as you proceed, making small adjustments as required for

a good fit.

2. Paint the framework on the outside of the canopy

using black paint. Test the paint on a sample of the canopy

material to make sure the paint is compatible. Straight out

of the spray can, Top Flite LustreKote

for painting the clear plastic that your canopy is made from

and will eventually deform it. But, if you have an airbrush, it

is possible to paint your canopy with LustreKote. However,

you must use the following procedure. Spray an ounce or

two of LustreKote through a tube (such as a large drinking

straw or a brass tube) into a container. Let it sit for about an

hour or two to allow the damaging elements to "boil off."

Using an air brush, you may now spray your canopy with

your specially prepared LustreKote. For airbrushing, we

recommend thinning LustreKote with lacquer thinner. If you

prefer to spray your canopy frame directly from a spray can,

we have had success with Pactra Formula U and Chevron

paint. Always test your painting methods on leftover

plastic before you try it on your model!

3. Paint the exposed wood of the cockpit with black

paint. You can use Top Flite LustreKote without any special

preparations to the paint or the model. Just make sure to

mask off any areas you do not want painted. Install pilots if

so desired, after painting.

4. Roughen the bottom 1/8" (3mm) of the inside canopy

edge, being careful not to scratch any exposed areas. Glue

the canopy into position with 6-minute epoxy or R/C-56 glue.

CONTROL THROW ADJUSTMENT

By moving the position of the clevis at the control horn

toward the outermost hole, you will decrease the amount of

throw of the control surface. Moving it toward the control

surface will increase the amount of throw. If these

adjustments don't accomplish the job, you may need to

work with a combination of adjustments by also

repositioning the pushrod at the servo end. Moving the

pushrod towards the center of the servo horn will decrease

the control surface throw – outward will increase it.

is not recommended