3D Hobby Shop 49 Sukhoi 26MX Assembly Manual - Page 3

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UNPACK

Unpack your airplane and examine the components. Check for damage of any kind. If you have

damage, please contact 3DHobbyShop to discuss.

WRINKLES

Your airplane was packed in plastic at the factory without any wrinkles in the covering. You may notice

some wrinkles now; more likely, you will notice a few in a day or two or the first time you take the plane

out to the flying field. These wrinkles are the result of wood shrinkage and/or expansion. Balsa wood

changes size and shape slightly as it is exposed to varying humidity in the air. This is a natural property

of balsa wood. As your airplane adjusts to the weather in your part of the world, wrinkles may appear and

disappear. Wrinkles may be removed with the gentle application of heat to the covering material on your

airplane. The best tools to use are a heat gun and covering iron. Apply the heat gently: the covering

material will shrink as you apply the heat, and this will remove the wrinkles. BE CAREFUL! Too much

heat applied too quickly can damage the covering, either by causing it to pull away from the wood at

seams and corners or even by melting it. The covering will shrink at low temperature with patient

application of heat. Wrinkles in the covering DO NOT affect flight performance. If you must shrink on

a color-seam, use the iron and go slowly and carefully to avoid any pulling or lifting at the seam.

Remove the canopy before attempting to use heat on your covering! The canopy is made of thermo-

activated plastic and WILL deform with the application of heat. Do not apply heat to the canopy.

PAINT

If you need to clean your airplane, we recommend using a damp towel. The paint used on the canopy

and cowl is not safe for all cleaners. In particular, DO NOT use alcohol on these parts, it will remove the

paint.

Start by removing the tires from the rims, as shown. Apply medium or thick CA to the rim, all the way

around the tire mounting surface. Re-install the tires and allow the glue to dry. This is an important step,

since we do not want the tires to be able to roll off of the rims in the event of a cross-wind or otherwise

rough landing.