Seagull Models SEA385 Manual de usuario
1
ASSEMBLY MANUAL
Code : SEA385
Specications:
Wingspan------------------ 122 in------------------- 310 cm.
Wing area------------------ 2017.8 sq.in----------- 130.2 sq.dm.
Weight---------------------- 36.4 lbs---------------- 16.5 kg.
Length---------------------- 85 in-------------------- 215.8 cm.
Engine size---------------- 70 - 125cc gasoline engine.
Radio----------------------- 8 channels with 8 digital servos.
Instruction Manual.Giant Scale Cessna O-1 Bird Dog 122” ARF 70-125cc
2
ank you for choosing the Giant Scale Cessna O-1 Bird Dog 122” ARF 70-125cc
ARTF by SG MODELS . e Giant Scale Cessna O-1 Bird Dog 122” ARF 70-125cc
was designed with the intermediate/advanced sport yer in mind. It is a semi scale air-
plane which is easy to y and quick to assemble. e airframe is conventionally built
using balsa, plywood to make it stronger than the average ARTF, yet the design al-
lows the aeroplane to be kept light. You will nd that most of the work has been done
for you already. e motor mount has been tted and the hinges are pre-installed.
Flying the Giant Scale Cessna O-1 Bird Dog 122” ARF 70-125cc is simply a joy.
is instruction manual is designed to help you build a great ying aeroplane. Please read
this manual throughly before starting assembly of your Giant Scale Cessna O-1 Bird Dog
122” ARF 70-125cc Use the parts listing below to indentify all parts.
Please be aware that this aeroplane is not a toy and if assembled or used incorrectly it is ca-
pable of causing injury to people or property. WHEN YOU FLY THIS AEROPLANE YOU
ASSUME ALL RISK & REPONSIBILITY.
If you are inexperienced with basic R/C ight we strongly recommend you contact your R/C
supplier and join your local R/C model Flying Club. R/C Model Flying Clubs oer a variety
of training procedures designed to help the new pilot on his way to successful R/C ight.
ey will also be able to advise on any insurance and safety regulations that may apply.
INTRODUCTION
WARNING
KIT CONTENTS
9
1
2
3
4
5
6
7
8
10
11
12
3
KIT CONTENTS
SEA385 Giant Scale Cessna O-1 Bird
Dog 122” ARF 70-125cc
1. Fuselage
2. Wing set (2)
3. Tail set (3)
4. Canopy
5. Cowling
6. Wing tube
7. Landing gear
8. Tail wheel
9. Fuel tank
10. Led light set
11. Windows
14. Rockets (2)
ADDITIONAL ITEMS REQUIRED
TOOLS & SUPPLIES NEEDED
in cyanoacrylate glue.
Medium cyanoacrylate glue.
30 minute epoxy.
5 minute epoxy.
Hand or electric drill.
Assorted drill bits.
Modelling knife.
Straight edge ruler.
2mm ball driver.
Phillips head screwdriver.
220 grit sandpaper.
90° square or builder’s triangle.
Wire cutters.
Masking tape & T-pins.
read-lock.
Paper towels.
�70-125cc gasoline engine.
�Computer radio 8 channel with 8
servos.
�Glow plug to suit engine.
�Propeller to suit engine.
�Protective foam rubber for radio
system.
LED LIGHT SET
Please see pictures below.
1.
2.
One the green light for right wing tip,
two white light and the red light for le
wing tip. ey are designed to operate on
voltages 12 volts. Connect four lights into
switch circuit so that optional the dier-
ent ashes mode.
3.
Instruction Manual.Giant Scale Cessna O-1 Bird Dog 122” ARF 70-125cc
4
5.
6.
4.
7.
8.
Epoxy
9.
10.
11.
Epoxy
5
12.
13.
14.
M2x6mm
15.
16.
17.
C/A glue
INSTALL THE AILERONS
1.
Please see pictures below.
2.
Instruction Manual.Giant Scale Cessna O-1 Bird Dog 122” ARF 70-125cc
6
3.
Epoxy
Use a small piece of rough sandpaper to
scu the hinges for better epoxy adhesion.
Do this to all aileron hinges.
Remove the ailerons from the wing and
remove the hinges.
Apply epoxy to each hinge where it will
be inserted into the ailerons. Tip: Apply
some petroleum jelly to the metal pin
hinge area to keep epoxy from interfering
with smooth operation of hinge.
5.
6.
4.
Insert all four hinges in the ailerons at
this time. Make sure hinges move up and
down in right direction and not side to
side !
Apply epoxy into each of the holes in the
ailerons using a spare piece of pushrod
wire or toothpick.
Make sure to use enough epoxy so it
securely adheres the hinge to the surfaces.
Do not use an excessive amount of epoxy
when gluing the hinges so that it expels
from the hinge area.
7.
8.
Be sure to test the aileron hinges once
you insert them. Ensure that the hinge
pockets line up, and that the hinges move
freely before the epoxy dries.
Epoxy
Epoxy
7
INSTALL THE AILERONS
CONTROL HORN
Fiberglass control horn
3.
2.
1.
4.
6.
7.
5.
Epoxy
Epoxy
Ailerons control horn
Check the t of the aileron to the wing.
e top of the ailerons will align to the
top of the wing. Make sure movement is
smooth and bind free.
We prefer 30-minute epoxy to allow
enough working time during the hinge
installation.
Instruction Manual.Giant Scale Cessna O-1 Bird Dog 122” ARF 70-125cc
8
Because the size of servos dier, you
may need to adjust the size of the precut
opening in the mount. e notch in the
sides of the mount allow the servo lead to
pass through.
INSTALLING THE AILERON SERVOS
1.
2.
Apply 2-3 drops of thin C/A to each of
the mounting holes. Allow the C/A to
cure without using accelerator.
6.
Use drill bit in a pin vise to drill the
mouting holes in the blocks.
Apply 2-3 drops of thin C/A to each of
the mounting holes. Allow the C/A to
cure without using accelerator.
4.
3.
5.
1.5mm
C/A glue
Minimum servo spec.
Torque : 27.3 kg-cm (378 oz-in) @6.0V
33.7 kg-cm (467 oz-in) @7.4V
38.2 kg-cm (530 oz-in) @8.4V
Transit Speed : 0.14 sec/60 @6.0V
0.11 sec/60 @7.4V
0.10 sec/60 @8.4V
40mm
9
Use dental oss or heatshrunk tube to
secure the connection so they cannot be-
come unplugged.
7.
Secure the servo to the aileron hatch us-
ing Phillips screwdriver and the screws
provided with the servo.
Apply 1-2 drops of thin C/A to each of
the mounting tabs. Allow the C/A to cure
without using accelerator.
C/A glue
8.
9.
Use dental oss or heat shrink tubing
to secure the connection between the
servo and extension wire so they cannot
become unplugged accidentally.
Remove the string from the wing at the
servo location and use the tape to attach it
to the servo extension lead. Pull the lead
through the wing and remove the string.
10.
11.
12.
Set the aileron hatch in place and use a
Phillips screw driver to install it with four
wood screws.
M3x10mm
13.
Instruction Manual.Giant Scale Cessna O-1 Bird Dog 122” ARF 70-125cc
10
2.
2.
3.3.
1.
1.
120mm
120mm
AILERON PUSHROD INSTALLATION
Please see below pictures.
INSTALLING THE FLAP PUSHROD
14.4.
Este manual sirve para los siguientes modelos
1
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