Seagull Models SEA 324Y User manual
1
Specications:
Wingspan--------------- 71.0 in (180.3 cm).
Wing area--------------- 1147.0sq.ins (74.0 sq.dm).
Weight------------------- 14.3-15.0 lbs (6.5-6.8 kg).
Length------------------- 62.7 in (159.2 cm).
Engine/Motor size----- 33-45cc gasoline.
Radio--------------------- 8 channels with 10 servos.
ASSEMBLY MANUAL
Code : SEA 324Y
GRUMMAN F8F BEARCAT Instruction Manual.
2
ank you for choosing the GRUMMAN F8F BEARCAT ARTF by SG MODELS .
e GRUMMAN F8F BEARCAT was designed with the intermediate/advanced sport
yer in mind. It is a semi scale airplane which is easy to y and quick to assemble. e
airframe is conventionally built using balsa, plywood to make it stronger than the av-
erage ARTF, yet the design allows 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 GRUMMAN F8F BEARCAT 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 GRUMMAN F8F BEARCAT 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
3
10
22
6
12
4
5
1
8
9
11
7
13
3
KIT CONTENTS
SEA324 GRUMMAN F8F BEARCAT
1. Fuselage
2. Wing set (2)
3. Tail set (2)
4. Canopy
5. Cowling
6. Wing tube
7. Pilot
8. landing gear
9. Fuel tank
10. Tail wheel
11. Pushrod set
12. Ep Motor box
13. Bomb
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.
�33-45cc gasoline engine.
�Computer radio 8 channel with 10
servos.
�Glow plug to suit engine.
�Propeller to suit engine.
�Protective foam rubber for radio
system.
INSTALL THE AILERONS
CONTROL HORN
Fiberglass control horn
1.
Ailerons control horn
Epoxy.
2.
3.
4.
Epoxy.
GRUMMAN F8F BEARCAT Instruction Manual.
4
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.
Place the servo between the mounting
blocks and space it from the hatch. Use
a pencil to mark the mounting hole loca-
tions on the blocks.
Use dental oss or heatshrunk tube to
secure the connection so they cannot be-
come unplugged
C/A glue
INSTALLING THE AILERON SERVOS
5.
6.
1.
2.
Use drill bit in a pin vise to drill the mout-
ing 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.
1.5mm
3.
4.
Mininum servo spec.
Torqu e : 80 oz-in (5.8 kg-cm) @ 4.8V;
100 oz-in (7.2 kg-cm) @ 6.0V
5
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.
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.
C/A glue
7.
8.
9.
10.
Set the aileron hatch in place and use a
Phillips screw driver to install it with four
wood screws.
11.
12.
3x10mm
13.
GRUMMAN F8F BEARCAT Instruction Manual.
6
AILERON PUSHROD INSTALLATION
Please see below pictures. Please see below pictures.
INSTALLING THE FLAP PUSHROD
80mm. 80mm.
2.2.
3.3.
4.
14.
1.1.
7
Attach the ap servo to the ap servo
cover. Center the ap servo (or set the
values to 0 for both up and down) and in-
stall the servo arm perpendicular to the
servo centerline. e clevis will attach to
the arm 13/16 inches (21mm) from the
center of the arm.
Use a pin vise and 3/32-inch (2mm) drill
bit to clear the paint from the ap control
horn.
6.
5.
4.
Attach the ap linkage to the control
horn. Slide the clevis retainer over the
forks of the clevis.
7.
Route the servo lead for the ap servo out
at the root of the wing. Connect the ap
servo to the radio system. With the radio
system on, place the ap servo into posi-
tion.
Attach the clevis to the ap servo arm.
8.
Adjust the linkage so the ap is in the
mid-ap position. It may take a few tries
to properly adjust the linkage.
9.
GRUMMAN F8F BEARCAT Instruction Manual.
8
12.
13.
14.
Set the ap control at the transmitter to
the down ap position. Adjust the ap
travel at the transmitter until it matches
the control throws listed in this manual.
Fit the ap linkage cover into position.
Check the operation of the ap to make
sure the cover does not interfere with the
ap linkage.
Use canopy glue to attach the cover to the
wing. Use low-tack tape to keep the cover
in position until the adhesive fully cures.
15.
Once adjusted, make sure all clevis re-
tainers are in position. Apply a drop of
threadlock near the clevis, then tighten
the nut against the clevis to keep the link-
age from changing length inside the wing.
10.
11.
Trim the ap linkage cover using a hobby
knife and hobby scissors.
9
INSTALLING LANDING GEAR
16.
Mark.
4.
3.
2.5mm.
5.
Install servo for Retractable landing gear.
6.
M3x12mm
A
Locate items necessary to install Sprin
Landing Gear.
Servo Landing Gear.
2.
1.
Mininum servo spec.
Torqu e : 222 oz-in (16 kg-cm) @ 4.8V;
278 oz-in (20 kg-cm) @ 6.0V
GRUMMAN F8F BEARCAT Instruction Manual.
10
Collar.
M3x4mm.
12.
10.
11.
Secure the landing gear doors to the
landing gear struts.
Collar.
13.
M3x4mm.
8.
9.
Slide the wheel on the axle, then secure it
using the wheel collar.
7.
A
Table of contents
Other Seagull Models Toy manuals
Seagull Models
Seagull Models SEA FURY User manual
Seagull Models
Seagull Models YAK 55 User manual
Seagull Models
Seagull Models THUNDERBOLT P47G SNAFU 60 ARF User manual
Seagull Models
Seagull Models Sparrow Hawk SEA-93 User manual
Seagull Models
Seagull Models Silence Twister User manual
Seagull Models
Seagull Models Swift 40 User manual
Seagull Models
Seagull Models L-4 Grasshopper 90 inches User manual
Seagull Models
Seagull Models TEMPEST DRAGON 15cc ARF User manual
Seagull Models
Seagull Models steen skybolt n250sb User manual
Seagull Models
Seagull Models X-RAY User manual
Seagull Models
Seagull Models AT-6 TEXAN User manual
Seagull Models
Seagull Models P47 SNAFU User manual
Seagull Models
Seagull Models PILATUS B4 User manual
Seagull Models
Seagull Models A6M Zero Fighter 67 User manual
Seagull Models
Seagull Models 540 User manual
Seagull Models
Seagull Models SPARROW HAWK 62 CC User manual
Seagull Models
Seagull Models DUAL ACE User manual
Seagull Models
Seagull Models MASTER SCALE KIT EDITION CLASSIC UGLY STICK... User manual
Seagull Models
Seagull Models SUPER TUCANO User manual
Seagull Models
Seagull Models SEA274 User manual
