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Electronics You Will Need; General Building Tips; Assembly Instructions - Mountain Models J-3 Cub Manual

1/9 scale.fuselage kit

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Electronics You Will Need

4 channel radio minimum
4 channel receiver minimum
2 ea. aileron servos (we recommend either the GWS Picos or Naros)
2 ea. tail servos (we recommend the Hitec HS55s, or GWS Picos/Naros)
2 ea. 12" servo wire extensions
1 ea. Y-Connector for ailerons (or 5+ channel RX with 2 aileron servo mixing on TX)
Brushless Motor of 80 to 100 watts or Geared brushed GWS350C motor
Electronic Speed Control
2 cell 1200 mAh LiPo pack

General Building Tips

READ THE INSTRUCTIONS all the way through and study the plans BEFORE starting any
work on the model.
Tape the plans to your nice clean work surface and cover it with wax paper or plastic wrap.
You want to keep your work surface clean and not glue the parts to the plans, right?
Balsa is a lightweight and fragile wood, so you do need to be careful with it; however, you
will also need to use a little bit of force to make everything fit properly, so don't be too
timid.
Do not remove any pieces from the balsa sheets until they're ready to be used. That way,
parts won't get mixed up or disappear.
Do NOT glue anything until told to do so.
Join all of your pieces using thin CA (Cyanoacrylate) glue, unless we tell you otherwise. In
general, only a small amount of CA is necessary to glue parts together.
Don't over force your pieces together. If they aren't fitting together properly, make sure you
have the right pieces and that they are oriented correctly. If needed, you can lightly sand
the part to fit after making sure it is the correct part and oriented correctly.
If you want to remove the charred edges caused by the laser cutting process, lightly
dampen a cloth with bleach and gently rub the affected areas. Removing the char will not
increase the strength but will make it look better. It also keeps that dark edge from showing
under the lightweight coverings.

Assembly Instructions

against the normal building conventions. We have found that fewer pieces get mangled this
way, since you are building the stronger pieces first. For example, the tail feathers are at the
end of the building process instead of the beginning, so that they are less likely to get damaged
and are being built right before they are attached to the fuselage and each other.
Experienced builders may notice that this building order goes
4

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