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INSTRUCTION MANUAL
Specifications:
Wingspan: .................................................................................................................. 80 in (2032 mm)
Length: ..................................................................................................................... 701/4in (1784 mm)
Wing Area: .................................................................................................... 1248 sq in (80.5 sq dm)
Weight (Approx.): .......................................................................................... 14 –16 lb (6.4 –7.3 kg)
Scale: ................................................................................................................................................... 27%
Recommended Engines: 1.80–2.18 2-Stroke
Saito™300 Twin 4-Stroke
Zenoah®G-38–G-45 Gasoline Engine
• 90% prebuilt
• Precovered in genuine Hangar 9™UltraCote® covering
• Prefinished fiberglass cowl and wheel pants
• Designed by 8-time TOC competitor Mike McConville
TM
Ultra Aerobatic 80" ARF
Table of Contents
Introduction ........................................................................................................................................ 3
Warning .............................................................................................................................................. 3
Additional Required Equipment ......................................................................................................... 4
Other Items Needed (not included in the kit) ...................................................................................... 5
Tools and Adhesives Needed (not included in the kit) ....................................................................... 5
Additional Needed Items .....................................................................................................................5
Contents of Kit ....................................................................................................................................5
Section 1. Hinging and Sealing the Ailerons ............................................................................... 6
Section 2. Joining the Wing Halves .............................................................................................9
Section 3. Installing the Aileron Servos ..................................................................................... 12
Section 4. Installing the Aileron Control Horns ......................................................................... 14
Section 5. Installing the Aileron Linkages .................................................................................. 16
Section 6. Mounting the Wing to the Fuselage .......................................................................... 17
Section 7. Installing the Tail ....................................................................................................... 18
Section 8. Hinging the Horizontal Stabilizer and Elevators ........................................................ 20
Section 9. Hinging the Rudder and Installing the Tail Wheel ..................................................... 21
Section 10. Installing the Radio ................................................................................................... 23
Section 11. Installing the Elevator Servos .................................................................................... 25
Section 12. Installing the Elevator Horns and Linkages ............................................................... 27
Section 13. Installing the Rudder, Control Horns, and Pull-Pull Linkages ................................... 29
Section 14. Installing the Main Landing Gear .............................................................................. 31
Section 15. Assembling and Mounting the Wheel Pants ............................................................. 32
Section 16. Installing the Engine ................................................................................................. 34
Section 17. Assembling and Installing the Fuel Tank ................................................................... 36
Section 18. Installing the Throttle Control Linkage ...................................................................... 38
Section 19. Attaching the Cowling ............................................................................................... 39
Section 20. Mounting the Canopy ............................................................................................... 40
Section 21. Adding Decals ........................................................................................................... 41
Section 22. Balancing the 80" CAP 232 ....................................................................................... 42
Preflight at the Field ..........................................................................................................................42
AMA Safety Code ............................................................................................................................. 43
3
Introduction
Thank you for purchasing the Hangar 9™80" CAP 232. Because the size and weight create a higher degree for potential danger, an
added measure of care and responsibility is needed when building and flying giant scale models. If this is your first giant scale
aerobatic aircraft, it’s important that you carefully follow the instructions.
Like all giant scale aerobatic aircraft, the 80" Scale CAP 232 requires powerful, high-quality servos. Servos greatly effect the flight
performance, feel, and response of the model. To get the most out of your CAP, it’s important to use accurate, powerful servos with a
minimum of 80 oz/in of torque.
The 80" CAP 232 does not include hardware. Many experienced giant scale pilots have specific hardware preferences and can
individually choose the components they prefer.
If you encounter difficulty in any construction sequence, please contact one of our technicians. We can provide assistance concerning
the construction of your 80" Scale CAP 232. Contact us at
Horizon Hobby, Inc.
4105 Fieldstone Road
Champaign, IL 61822
(217) 355-9511
www.horizonhobby.com
Warning
An R/C aircraft is not a toy! If misused, it can cause serious bodily harm and damage to property. Fly only in open areas, preferably
AMA (Academy of Model Aeronautics) approved flying sites, following all instructions included with your radio and engine.
JR 8103 JR 10X
4
Moki 2.10
(MOK30210)
Saito 300TL
(SAIE300TL)
Additional Required Equipment
Radio Equipment with Computer Radio
1000mAh receiver battery pack or larger
Servos (5) with 80 oz/in of torque minimum or equivalent
Servo for throttle
18" Servo Extension (2) (JRPA099)
12" Servo Extension (2) (JRPA098)
Radio Equipment (Non-Computer Radio)
1000mAh receiver battery pack or larger
Servos with 80 oz/in of torque minimum (5)
(JR8101, 4721, 2721, or 8411 or equivalent)
Servo for throttle
Y-Harnesses (2) (JRP133)
18" Servo Extension (2) (JRPA099)
12" Servo Extension (2) (JRPA098)
Note: Requires one reversed servo for elevator
Recommended JR®Systems
JR XP652
JR XP783
JR XP8103
JR PCM10X
Engine Requirements
Recommended Engines:
Moki 1.8 - 2.10 Glow
Zenoah®G38-G45
Saito™300Twin
Zenoah G45
(ZENE45A)
5
Other Items Needed (not included in the kit)
Zenoah®Gas Start Kit (ZEN20002) Includes:
Tools and Adhesives Needed (not included in the kit)
Additional Needed Items
Horns ROC01B (3)
Pro-links 3" (2) (HAN3553)
Pro-link 4 1/2" (2) (HAN3550)
Ball Links (ROC87)
Tail Wheel Assembly (SUL861)
Heavy-Duty Servo Arm (4) (HAN3574/HAN3575)
Rudder Cable Set (DUB518)
3/16" Axles
3" Wheels
24 oz Fuel Tank (DUB424)
Fuel Filler (HAN115)
Kill Switch (gas engine) (ZEN2000)
Throttle Linkage
Adhesives
Thick CA (cyanoacrylate) glue
CA remover/debonder
30-minute epoxy
5-minute epoxy
Silicon glue
Canopy glue
Blue Lockite
Electrical tape
Masking tape
Tools
Drill
Drill Bits: 1/16", 1/8", 5/32", 3/8", 5/16"
Medium Phillips screwdriver
Small straight screwdriver
Needle-nose pliers
Hobby knife with #11 blade
Mixing stick
Straight edge
Soldering iron
Measuring device (36") (ruler, tape measure)
Scissors
Moto-tool with cut-off wheel
8-32 Tap (DUB363)
Sealing Iron (HAN135)
Glue syringe or toothpick
Hex Wrench: 5/32" and 1/8"
Adjustable wrench
Countersink
3" Spinner (Tru-turn TRU3002)
Propeller (refer to your engine’s operating instructions)
2' fuel tubing
Coarse sandpaper
Radio packing foam
Antenna tube
8-32 x 11/2" cap screws (4)
1/4 Scale Pilot (HAN8272)
Paper towels
Rubbing alcohol
Felt-tipped pen/pencil
Hangar 9™UltraCote®(HANU887)
(used for sealing aileron/elevator hinge gap)
Contents of Kit Large Parts
A. Fuselage (HAN2201)
B. Wing Set (HAN2202)
C. Horizontal Stabilizer with/Elevator(s) (HAN2203)
D. Vertical Stabilizer w/Rudder (HAN2204)
E. Canopy (HAN2205)
F. Landing Gear (HAN2206)
G. Wheel Pants (HAN2207)
H. Cowl (HAN2208)
HA
BE
FG
C
D
6
Parts Needed
Right wing panel with aileron and hinges
Left wing panel with aileron and hinges
Tools and Adhesives Needed
Instant thin CA glue
CA remover/debonder
Paper towels
T-pin (one for each hinge) (optional procedure)
Sealing iron
Ruler
Felt-tipped pen or pencil
Clear Hangar 9™UltraCote®(HANU887)
Hobby knife with #11 blade
Scissors
Note: The control surfaces, including the ailerons, eleva-
tors, and rudder, are pre-hinged with hinges installed, but
the hinges are not glued in place. It’s imperative that you
properly adhere the hinges and ailerons in place per the
Steps that follow using a high quality thin CA glue.
Step 1. Carefully remove the aileron from one of the wing
panels. Note the position of the hinges. The 80" CAP 232 comes
with high-quality CA-type hinges.
Step 2. Remove each hinge from the wing panel and aileron
and place a t-pin near the center of each hinge. Slide each hinge
into the aileron until the T-pin is snug against the aileron. This
will help ensure an equal amount of hinge is on either side of the
hinge line when the aileron is mounted to the wing panel.
Step 3. Slide the aileron on the wing panel until there is only
a slight gap. The hinge is now centered on the wing panel and
aileron. Remove the T-pins and snug the aileron against the wing
panel. This will help ensure the hinges are centered. A gap of
1/32" or less should be maintained between the wing panel
and aileron.
Step 4. Deflect the aileron and completely saturate each hinge
with thin CA glue. The aileron’s front surface should lightly con-
tact the wing during this procedure.
Step 5. Turn the wing panel over and deflect the aileron in the
opposite direction and from the opposite side. Apply thin CA
glue to each hinge, making sure that the CA penetrates into both
the aileron and wing panel.
Section 1: Hinging and Sealing the Ailerons
Step 3 photo
7
Step 6. Using CA remover/debonder and a paper towel,
remove any excess CA glue that may have accumulated on the
wing or in the aileron hinge area.
Step 7. Repeat this process with the other wing panel,
Step 8. After both ailerons are hinged, firmly grasp the wing
panel and aileron to check to make sure the hinges are securely
glued and cannot be pulled out. Do this by carefully applying
medium pressure, trying to separate the aileron from the wing
panel. Use caution not to crush the wing structure.
Note: Work the aileron up and down several times to
"work in" the hinges and check for proper movement
Sealing the Hinge Gaps
It’s important that the aileron and elevator hinge lines be sealed
airtight to improve flight performance and reduce the risk of
flutter. Sealing the hinge line has several advantages. A sealed
hinge line gives a greater control response for a given control
deflection. It also offers more precise, consistent control
responses and makes trimming easier.
Caution: Sealing the aileron and elevator hinge line should
be considered mandatory on any larger performance model!
Failure to do so may cause control surface flutter, resulting in
a crash.
Step 9. Cut two pieces of Clear UltraCote®(HANU887 not
included) for sealing the ailerons to approximately 3" x 33". Fold
both pieces of UltraCote down the center with the adhesive side
to the outside making a sharp crease at the fold.
Step 10. Using a ruler, measure 11/2" from the folded crease
and mark the pieces with a felt-tipped pen or pencil.
Step 11. Using a sharp hobby knife with a #11 blade and a
straight edge, carefully cut through both layers of UltraCote®
covering at the 11/2" point marked in Step 2. Cut both pieces.
8
Step 12. Mark and cut both folded coverings to an overall
length of 11/2". These pieces will be inserted and ironed down
into the hinge bevel on the bottom of the ailerons.
Step 13. Remove the backing from the UltraCote®. Place the
folded crease side to the center of the hinge line on the bottom
of one wing half. Using a straight edge as shown, hold one side
of the covering in place while ironing down the opposite side
with a sealing iron.
Step 14. Fully deflect the aileron in the up position. Place the
straight edge over the hinge line covering that you just ironed
down in Step 13 with the edge of the straight edge placed firmly
at the bottom of the hinge line as shown. Iron down this side of
the covering, making sure the aileron is full deflected.
Step 15. Repeat the process for the other aileron.
9
Parts Needed
Right/left wing panels
Dihedral brace
Plywood wing dowel plate
Wooden dowels
Wing bolt plates
Wing trim tape
Tools and Adhesives Needed
30-minute epoxy
6-minute epoxy
Mixing stick
Epoxy brush
Masking tape
Hobby knife w/#11 blade
Rubbing alcohol
Paper towels
Wax paper
Ruler
Felt-tipped pen or pencil
Sandpaper (medium)
Step 1. Locate the plywood wing joiner. Using the ruler, deter-
mine the center of the wing joiner and mark it with a felt-tipped
pen or pencil.
Step 2. Trial fit the wing joiner into one of the wing panels. It
should insert smoothly up to the center line marked in Step 1.
Now slide the other wing panel onto the wing joiner until the
wing panels meet. If the fit is overly tight, it may be necessary to
sand the wing joiner.
Step 3. The correct dihedral angle for the wing is 3 degrees.
Place the wing on a large flat surface with buttom of one wing
panel resting on the flat surface. The wing tip should be
319/32" from the surface (see illustration below). If necessary,
sand the wing joiner until this is achieved. There should be no
gaps in the wing center. Once you’re satisfied with the fit, remove
the wing joiner from the wing panels.
Step 4. Mix approximately 1 ounce of 30-minute epoxy.
Note: It is extremely important to use plenty of epoxy when
joining the wing panels together. It will also be helpful to use
wax paper under the wing center when epoxying the wing
panels together.
Step 5. Use an epoxy brush or a scrap piece of wood, apply a
generous amount of epoxy into the wing dihedral cavity in one
wing panel.
Section 2: Joining the Wing Halves
319/32"
Step 6. Coat one half of the wing joiner with epoxy up to
the line marked in Step 1. Install the epoxy coated side of the
dihedral brace into the wing panel cavity up to the center
line marked.
Step 7. Apply a generous amount of epoxy into the other wing
panel cavity.
Note: You may need to mix up more epoxy to complete
the joining process.
Step 8. Apply epoxy to all sides of the exposed wing joiner
and uniformly coat both wing roots with epoxy.
Step 9. Carefully slide the two wing halves together and firmly
press them together, allowing the excess epoxy to run out. There
should not be any gap in the wing halves. Use rubbing alcohol
and a paper towel to clean up any excess epoxy.
10
Step 10. Apply masking tape at the wing joint to hold the wing
halves together securely. Place the wing on a flat surface. With
the left wing panel firmly supported to lay flat on the surface, the
wing tip should be propped up so it is 319/32" from the surface.
Apply more masking tape the center wing joint and recheck the
319/32" measurement. Allow the wing joint to dry overnight
Note: It is useful to use wax paper underneath the wing center
while the epoxy is curing. This will help prevent excess epoxy
from adhering to the work surface
Step 11. Allow the wing center joint to completely cure then
remove the masking tape.
11
12
Parts Needed
Wing with ailerons attached
Not Included with the Kit
Servos with Mounting Hardware (2) (JRPS8101 or equivalent)
Servo extensions recommended) (12") (2)
Y-harness (if using a non-computer radio)
String and a weight to run servo extensions through the wing
Tools and Adhesives Needed
Hobby knife
Phillips screwdriver
Drill
Drill Bit: 1/16"
Masking tape
Electrical tape
Felt-tipped pen or pencil
Step 1. Locate the servo opening in one of the wing halves.
Install the recommended servo hardware supplied with your
radio system onto your servos (grommets and eyelets). Install a
servo extension lead to the servo as well. Secure the connectors
by tying a knot in the leads and wrapping with electrical tape.
This will prevent the connectors from becoming accidentally
disconnected inside the wing.
Step 2. Trial fit the servo into the servo opening. Some
trimming may be required, depending on the type of servo
installed. Be sure the output shaft is closest to the trailing edge
of the wing.
Step 3. With the servo in place, mark the location of the servo
screws used to mount the servo to the plywood servo rail inside
the wing servo opening.
Step 4. Using a 1/16" drill bit, drill the servo screw locations
marked in the previous step.
Step 5. Before mounting the servo, it would be wise to run the
servo lead and extension through the wing and out the opening
provided near the wing center. The servo lead exit is located on
the top of the wing. Turn the wing over and look for a square
opening near the center of the wing close to where the wing
joiner slot is. You will have to trim away the covering to expose
the opening. Use a sharp hobby knife to cut away the covering
over the opening. Do the same for the other wing half.
Section 3: Installing the Aileron Servos
Step 6. Use a piece of string with a small weight (bolt from
engine mounting hardware) attached as a device to attach to one
end of the servo lead extension and thread through the servo
opening, through the wing, and out the servo lead exit. Other
methods can be used to thread the servo leads through the wing,
but we have found this method is the quickest.
Step 7. Once you have threaded the string and weight through
the wing, attach the string to one end of the servo lead and care-
fully thread it through the wing. Once you have threaded the lead
through the wing, you can remove the string so it can be used
for the other servo lead.
Step 8. To prevent the lead from falling back into the wing, use
masking tape to temporarily hold it in place by taping the lead to
the top of the wing.
Step 9. Repeat the procedure for the other wing half.
Note: If you are using a non-computer radio, it will be
necessary to use a Y-harness to connect both aileron servos
to the aileron channel of the receiver.
Step 10. Insert the servo into the aileron cutout in the bottom
of the wing. Make sure the output shaft of the servo is orientated
closest to the leading edge of the wing.
Step 11. Use the screws included with the servos to fasten the
aileron servos in place.
Step 12. If you are planning 3-D maneuvers, replace the stock
servo arms with Heavy-Duty 1" Arms (HAN3574 or HAN3575)
to give the needed control throws and to handle the increased
loads of the large surfaces. The arms need to face outward
toward the wing tips as shown in the photo below. Be sure to use
a drop of blue locktite to secure the servo arm screws if using
metal-geared servos.
13
14
Parts Needed
Wings with ailerons and servos
Rocket City 8-32 Swivel Control Horn (2) (ROC01B)
Heavy-Duty 1/2 Servo Arms (2) (HAN3574)
Tools and Adhesives Needed
Ruler
Drill Bit: 8/32"
8-32 Tap and Drill (DUB363)
30-minute epoxy
Felt-tipped pen or pencil
Rubbing alcohol
Paper towels
Note: Remove the standard servo arms and mount
Hangar 9 Heavy-Duty 1/2 Servo Arms to each servo.
Step 1. Using a straight edge held in alignment (90°) with the
servo arms and with the hinge line as shown, mark the aileron
with a felt tipped pen or pencil where the straight edge intersects
the aileron hinge bevel at both servo locations.
Step 2. Measure exactly 1/4" rearward from the marks above
parallel to the hinge line and make another mark using a felt-
tipped pen or pencil. These will be the positions for the aileron
control horns.
Step 3. Using a 8/32" drill bit and hand drill, carefully drill a
8/32" hole through each aileron at the marked positions. [Drill
perpendicular (90°) to the aileron cross section rather than the
ailerons surface.] Be especially careful when penetrating through
the bottom surface of the aileron as it’s easy to split out the wood
and rip the covering. Placing a wooden block under the aileron
and drilling slowly will prevent these problems. If you choose to
use the counter sink screws included in the Hangar 9 Hardware
Package, counter sink the top of the aileron to allow the screws
to fit flush.
Note: Hardwood blocks (hardpoint) are located below the
sheeting; you will be drilling through these.
Step 4. Using an 8-32 tap, tap the holes that you just drilled in
the ailerons.
Section 4: Installing the Aileron Control Horns
Step 5. Mix a small amount of 30-minute epoxy and lightly
coat the inside of the tapped holes and the 8-32 x 2" Rocket City
screw. From the top of the aileron, screw the 8-32 x 2" into the
tapped holes and securely tighten. Wipe away any excess epoxy
with rubbing alcohol and a paper towel. Screw the A-nuts in
place as shown. Allow the epoxy to fully cure.
Step 6. Screw the molded swivel links onto the inboard 8-32
screw until the distance from the aileron surface to the bottom of
the link is 5/8". The outboard swivel link will be installed later.
Step 7. Install the control horn in the opposite aileron using the
same method.
15
16
Parts Needed
Wings with ailerons attached
Included in Optional Hangar 9™
Hardware Kit
4-40 Pro-Links 41/2" (2) (HAN3556)
4-40 Ball Links (2) (ROC87)
Screwdriver (small)
Blue Locktite
Step 1. Screw a 4-40 ball link 5 to 6 turns onto a 41/2" prolink.
Screw the 4-40 clevis that will attach to the horn about 5–6 turns
onto the opposite end of the prolink. Attach the linkage to the
servo with the bolt supplied. Adjust the linkage length until the
hole in the ball link aligns with the outer hole in the servo arm
when the aileron is neutral and the servo arm is centered.
Note: Hangar 9 Titanium Pro-Links feature right-hand
threads on one end and left- hand threads on the other,
allowing for easy, accurate adjustment without disconnecting
the linkages. Consistently putting the right-hand threads
toward the servo arms on all servos will prevent you from
getting confused as to which way to turn the linkage to
lengthen or shorten the link. Hangar 9 also offers a Pro-Link
Wrench (HAN3558) to make adjustments easier.
Step 2. Using the 4-40 screws (don’t substitute a standard
screw) and nuts included in the Rocket City package, attach the
ball link to the outer hole in the arm from the bottom side as
shown on the servo. The sequence is screw, ball link, servo arm,
and nut. Don’t forget to use Blue Locktite. The tapered standoff is
not used.
Step 3. Make final adjustments to make sure the ailerons are at
neutral when the servo is electrically at neutral. Attach the swivel
clevis to the horn with the supplied screw.
Step 4. Repeat the process for the other aileron linkage.
Section 5: Installing the Aileron Linkages
17
Parts Needed
Wing
Fuselage
Wing hold-down hardware
Tools and Adhesives Needed
Hobby knife with #11 blade
30-minute epoxy
Epoxy brush
Mixing stick
Rubbing alcohol
Felt-tipped pen or pencil
Pliers
Ruler
Drill
Drill Bit: 1/4"
Round file
Step 1. Locate the forward mounting bolt holes in the wing.
Trim the covering from the mounting bolt holes with a sharp
hobby knife.
Step 2. Insert the wing into the fuselage. Use care as the first
few times the wing is inserted, the fit is snug. Note the tolerance
between the wing and the fuselage. There is little movement of
the wing once it is in the wing saddle. Check the alignment of
the wing to the center line of the fuselage by making a reference
mark at the tail of the fuselage, then measuring each wing tip to
make sure the wing is aligned.
Step 3. With the wing centered in the wing saddle, secure it
with masking tape so it will not move from side to side.
Step 4. Use the holes in the wing to position the wing bolt
plate at the trailing edge top of the wing. Mark the positoin of
the plywood wing hold down bolt plate on the wing using a
felt-tipped pen or pencil. The mark should leave a slight
indentation in the covering. Mark the bolt hole postion onto the
plywood plate.
Step 5. Remove the wing from the fuselage. Trim away the
covering 1/8" inside the line you marked where the wing hold
down bolt plate will be epoxied using a sharp hobby knife. Use
care not to cut into the wood structure.
Step 6. Mix a small amount of 6-minute epoxy and glue the
plywood wing hold down bolt plate to the trailing edge of the
wing. Use care epoxy does not clog the bolt hole openings.
Allow the epoxy to cure completely.
Step 7. Using a 1/4" drill bit, drill out the bolt holes in the
plywood plate from the top side of the wing.
Step 8. Trial fit the wing onto the fuselage and insert the
four mounting bolts and washers. Recheck the alignment by
measuring to the point at the rear of the fuselage as in Step 2.
Section 6: Mounting the Wing to the Fuselage
18
Parts Needed
Fuselage
Wing
Horizontal stabilizer with elevators
Vertical stabilizer with rudder
Tools and Adhesives Needed
Thin CA Glue
CA Remover/debonder
30-minute epoxy
epoxy brush
Mixing stick
Hobby knife with #11 Blade
Straight Edge (36")
Felt-tipped pen or pencil
Masking tape
Rubbing alcohol
Paper towels
Ruler
90-degree triangle
Step 1. On the rear of the fuselage, slots are precut in the
wood structure for the horizontal stabilizer and vertical stabilizer.
Step 2. Carefully cut away the tape holding the elevators to
the horizontal stabilizer. Remove the two elevators.
Step 3. Trial fit the horizontal stabilizer onto the rear of the
fuselage. Use masking tape to hold the horizontal stabilizer in
place while making measurements. Use a ruler to check to make
sure the horizontal stabilizer projects the same amount from each
side of the fuselage. When you are satisfied the horizontal stabi-
lizer is centered, you can remove the elevators for now.
Step 4. If you removed the wing, reinstall it to the fuselage
and measure from the front tips of the horizontal stabilizer to
the wing. Also sight from the front of the model to be sure the
stablizer and wing are parallel. Each should be the same distance
from the wing. Make any adjustments necessary to make sure
the horizontal stabilizer is aligned with the wing.
Step 5. When you are satisfied with the position of the horizontal
stabilizer, use a felt tipped pen or pencil to mark the top and bottom
of the horizontal stabilizer, next to the fuselage. Remove the
horizontal stabilizer and trim away the covering 1/8" inside the
marks you made. This will provide for a more secure epoxy joint
when the horizontal stabilizer is epoxied to the fuselage.
Section 7: Installing the Tail
Step 6. Mix approximately 1 ounce of 30-minute epoxy. Re-
install the horizontal stabilizer. Apply the epoxy to the horizontal
stabilizer and to the opening in the fuselage. Move the horizontal
stabilizer back and forth slightly to work the epoxy into the bare
wood of the fuselage. Re-align the horizontal stabilizer as in
Step 4. Wipe away any excess epoxy with rubbing alcohol and a
paper towel. Hold in position with masking tape. Allow the epoxy
to cure.
Step 7. Carefully remove the tape holding the rudder to the
vertical stabilizer. Trial fit the vertical stabilizer to the fuselage.
Remove the vertical stabilizer.
Step 8. Mix approximately 1/2 ounce of 30-minute epoxy and
apply to the vertical stabilizer where it contacts the fuselage and
horizontal stabilizer. Be sure to apply epoxy to the base of the
vertical stabilizer. Insert the vertical stabilizer into the fuselage
tail area and wipe away any excess epoxy with rubbing
alcohol and a paper towel.
Step 9. Carefully check the alignment of the vertical stabilizer
to the horizontal stabilizer.
19
20
Parts Needed
Fuselage with vertical and horizontal stabilizer attached
Elevators (2)
Tools and Adhesives Needed
Thin CA glue
CA remover/debonder
Paper towels
T-pins
Step 1. Locate the elevator and hinges. Trial fit the elevators
into the proper position on the horizontal stabilizer, using the
same hinging techniques learned in Section 1.
Step 2. With one elevator half properly aligned (left and right),
apply thin CA glue to the hinges on both sides (be sure to
remove the t-pins first). Wipe away any excess CA with CA
debonder and a paper towel.
Step 3. After the hinges are dry, check to be sure they are
securely in place by trying to pull the elevator from the horizontal
stabilizer.
Caution: Use care not to crush the structure.
Step 4. Repeat Steps 1–3 for the other elevator half.
Step 5. Work the elevators up and down several times to “work
in” the hinges and check for freedom of movement.
Step 6. The elevator hinge lines should be sealed using clear
UltraCote®(HANU887) as was done for the ailerons.
Section 8: Hinging the Horizontal Stabilizer
and Elevators
/
