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Using the Manual
This manual is divided into sections to help make
assembly easier to understand, and to provide breaks
between each major section. In addition, check boxes
have been placed next to each step to keep track of
completed sections. Steps with a single box ( ) are
performed once, steps with two boxes (
the step needs to be repeated, such as for left and
right wing panel, or two servos etc. Note that
references to direction such as left and right-hand are
as viewed in the direction of flight.
Before beginning it is a good idea to read through the
manual completely to familiarize yourself with the
assembly process. Remember to take your time and
follow the directions.
Before Starting Assembly
Before beginning the assembly of your model, remove
each part from its bag for inspection. Closely inspect
the fuselage, wing panels, rudder and stabilizer for
damage. If you find any damaged or missing parts,
contact the place of purchase.
If you find any wrinkles in the covering, use a heat gun
or covering iron to remove them. Use caution while
working around areas where the colors overlap to
prevent separating the colors.
HAN100 – Heat Gun
HAN150 – Covering Glove
HAN101 – Sealing Iron
HAN141 – Sealing Iron Sock
Twin Otter ARF Assembly Manual
Product Registration
Horizon Hobby wants to ensure that you get maximum
enjoyment from your Hangar 9 products. We strongly
encourage you to register your product using the
online Product Registration tool so we can notify you
when there are service bulletins, new option parts or
) indicate
accessories, or updates available for your product.
Please register your product today at:
http://www.hangar-9.com/Register/
Work Area Cleanliness
It is a good practice to maintain a clean work area,
both to prevent damage to your model and to keep
track of parts and hardware. Put away any tools not
being used, and set aside parts of the model that are
not being worked on.
Of special importance is keeping debris out of
sensitive components such as the radio and engine or
motor. Tape over engine intake and exhaust ports
when drilling or cutting the firewall and cowling to
prevent causing damage to the internal components.
Optional Accessory
Setting up servos is a whole lot easier with a JR®
MatchMaker™. It lets you accurately center servos,
evaluate endpoints, and cycle servos at varying
speeds, without ever having to switch on a transmitter.
It allows the precise digital centering of up to 2 servos
at a time to help with setup on the building bench.
Workspace Preparation
During the course of building your Twin Otter we
suggest you use a soft base on the building
surface. Such things as a large piece of bedding foam
or a thick bath towel work well to protect the model
from damage during assembly. A flat area measuring
at least 28 x 60 inches is required to work on the
model sub-assemblies comfortably. The completed
and assembled model requires a space of 48 x 96
inches. Ensure you have adequate lighting, and a
place to set aside completed parts.
The use of a stand to support the fuselage on the
workbench is highly recommended. This will hold it
secure while in different positions during assembly and
prevent damage to items such as the tail that are not
designed to support the weight of the model.
Midwest Stand-In (MID813)
5
5
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