AJ Aircraft Acuity, Руководство по сборке

Страница: 5 / 24

aj-aircraft.com Page 4
Covering
The covering on your Laser may have developed loose areas through temperature and humidity changes between
manufacturing and shipping. This may also occur during the summer heat. The covering may require retightening a few
times during your first summer of flying.
Take a few minutes to go over all of the seams making sure all edges are secure. Then proceed to shrinking any area
that may need tightening. (Use an iron on all seams. Use a heat gun on open areas and sheeted areas. An iron can be
used in open and sheeted areas but hold the iron slightly above the surface. You don’t want press the covering into the
wood. Using an iron sock will reduce scratches.

Genuine Ultracote covering.

(White HANU870, True Red HANU866, Midnight Blue HANU885, Silver HANU881)
Wings
Carefully locate the aileron
servo pocket. Shining a light
through opposite side of the
wing will help highlight the
pocket location. Use a new
hobby knife blade to cut
though the covering. Cut
from the corners of the
pocket towards the center of
the pocket so the covering
can be folded in.
Gently snap off the servo wire installation string (if it’s
attached) and temporarily secure it out of the way. Do
not pull it out of the wing!
Use an iron to seal around the servo pocket. Fold the cut
covering under the wing sheeting and attach it to the
inside edge of the pocket.
At 200-220°F (93-104°C) the adhesive on UltraCote® becomes active
allowing the covering to be attached to the model. While 220° will fully
bond the covering to the model it is well below the temperature that
causes UltraCote® to shrink.
At 300°F (149°C) the initial shrinking of UltraCote® begins.
At 350°F (176°C) UltraCote® reaches its maximum shrinking point.
Raising the temperature above this point will not cause further shrinkage.
Use as little heat as needed. Using too much heat may cause reshrinking
issues later.
Pro Tip - If the iron you're using does not display the actual temperature,
here is a tip that will ensure your iron is properly set.Water boils at
212°F. Allow your iron to warm up at a medium setting. When the iron
reaches its stabilized temperature, carefully pour a few drops of water on
the iron's surface. Adjust the temperature until the water just begins to
boil off. This method is surprisingly accurate and is generally within 10°
(of the exact application temperature of 220).