Horizon Hobby Hangar 9 Solo User manual

Wingspan.................................... 80.5 in (2045mm)
Wing Area ......................... 933 sq in (60.19 sq dm)
Length......................................... 60.6 in (1539mm)
Assembly mAnuAl
Sundowner
Weight............................ 12–14 lb (5.44kg–6.35kg)
Engine.................................. 1.20–1.80 Four-Stroke
..........................................26–35cc Gasoline
Motor............................................ E-flite Power 160
Specifications

2
Table of Contents
UsingtheManual..................................................................3
Required Tools and Adhesives ........................................................3
UltraCote Covering Colors ...........................................................3
Before Starting Assembly ............................................................3
Radio and Power Systems Requirements ................................................4
Instructions for Disposal of WEEE by Users in the European Union............................4
Warranty Period ...................................................................5
Limited Warranty...................................................................5
Damage Limits ....................................................................5
Safety Precautions .................................................................5
Questions, Assistance, and Repairs ....................................................6
Inspection or Repairs ...............................................................6
Warranty Inspection and Repairs.......................................................6
Non-Warranty Repairs...............................................................6
Safety, Precautions, and Warnings .....................................................7
Contents of Kit ....................................................................7
Landing Gear Installation ............................................................8
Aileron Installation ................................................................10
Rudder Installation ................................................................15
Rudder Installation ................................................................17
Stabilizer Installation...............................................................18
Engine and Receiver Installation (Gas) .................................................21
Engine and Receiver Installation (Glow) ................................................26
Final Assembly ...................................................................30
Recommended Center of Gravity (CG) .................................................31
Control Throws ...................................................................32
Pre-Flight.......................................................................33
Adjusting the Engine...............................................................33
Range Test Your Radio .............................................................33
2007 Official AMA National Model Aircraft Safety Code....................................34

3
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 each step completed. Steps
with a single box () are performed once, while steps with two boxes () indicate that the step will require
repeating, such as for a right or left wing panel, two servos, etc. Remember to take your time and follow the directions.
Required Tools and Adhesives
Tools
• Rotary tool (dremel) • Sanding drum 1/4-inch
• Pliers • T-pins
• Solder • Solder gun
• File • 4/40 tap
• Hex wrench: 3/32-inch• Square • Hobby knife
• Phillips screwdriver • Adjustable wrench
• Drill • Felt-tipped pen
• Ruler
• Drill bit: 1/16-inch (1.5mm), 5/64-inch (2mm), 3/32-inch or # 43 bit (2.5mm), 7/64" bit (3mm), 5/32-inch (4mm),
11/64-inch (4.5mm)
Adhesives
• Thin CA (PAAPT08) • 30-minute Epoxy (HAN8002)
• CA Remover/Debonder (PAAPT16) • Pacer Z-42 Threadlock (PAAPT42)
UltraCote Covering Colors
• White HANU870 • Silver HANU881
• Cub Yellow HANU884 • Pearl Blue HANU845
Before Starting Assembly
Before beginning the assembly of the Sundowner, 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 sealing 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

4
Radio and Power Systems Requirements
• 4-channel radio system (minimum) w/receiver • ST125MG Servo (JSP20070) (5) or equivalent
• 6-inch Servo Lead Extension (JRPA095) (3) • 9-inch Servo Lead Extension (JRPA097) (2)
• 18-inch Servo Lead Extension (JRPA099) (3)
Recommended JR®or JR SPORT™Systems
• XP9303 • XP7202
• DX7 • XP6102
• XS600
Recommended Setup–Gas/Glow
• Evolution 26GT2 Gas Engine (EVOE26GT2), OR
• Saito 180 AAC with Muffler (SAIE180 or SAIE180GK)
• Muffler Right Angle Adapter (Saito only) (SAI120S140)
• 14x12 – 16x8 Propeller
• 3 1/4-inch TruTurn Spinner (TRU3252)
• 4-Channel Radio System
• 6 JR Hi-Torque Servos (JRPS821 or JSP20071)
Recommended Setup–Electric
• E-flite Power 160 BL Outrunner Motor (EFLM4160A)
• Castle Creations 110A ESC (CSEPHX110HV)
• 2 Thunder Power 4S or 5S Li-Po Battery Packs (THP38504SX or THP38505SX)
• 17x12E APC Propeller (APC17012E)
• 3 1/4-inch TruTurn Spinner (TRU3252)
• 4-Channel Radio System
• 5 JR Hi-Torque Servos (JRPS821 or JSP20071)
FS One
With FS One™you get more than photorealistic fields, gorgeous
skies and realistic looking aircraft. You get incredibly advanced
aerodynamic modeling that simulates every possible aspect
of real-world flight.
Instructions for Disposal of WEEE by
Users in the European Union
This product must not be disposed of with other waste. Instead, it is the user’s responsibility to dispose of their waste
equipment by handing it over to a designated collection point for the recycling of waste electrical and electronic
equipment. The separate collection and recycling of your waste equipment at the time of disposal will help to conserve
natural resources and ensure that it is recycled in a manner that protects human health and the environment. For more
information about where you can drop off your waste equipment for recycling, please contact your local city office, your
household waste disposal service or where you purchased the product.
Evolution 26GT2
EVOE26GT2
Saito 1.80 Golden Knight AAC
SAIE180GK
JR XP6102
JR XP9303
Spektrum DX7
HANS2000
E-Flite Power 160
EFLM4160A

5
Warranty Period
Exclusive Warranty- Horizon Hobby, Inc., (Horizon) warranties that the Products purchased (the "Product") will be free
from defects in materials and workmanship at the date of purchase by the Purchaser.
Limited Warranty
(a) This warranty is limited to the original Purchaser ("Purchaser") and is not transferable. REPAIR OR REPLACEMENT
AS PROVIDED UNDER THIS WARRANTY IS THE EXCLUSIVE REMEDY OF THE PURCHASER. This warranty covers only
those Products purchased from an authorized Horizon dealer. Third party transactions are not covered by this warranty.
Proof of purchase is required for warranty claims. Further, Horizon reserves the right to change or modify this warranty
without notice and disclaims all other warranties, express or implied.
(b) Limitations- HORIZON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT NON-
INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCT. THE
PURCHASER ACKNOWLEDGES THAT THEY ALONE HAVE DETERMINED THAT THE PRODUCT WILL SUITABLY MEET
THE REQUIREMENTS OF THE PURCHASER’S INTENDED USE.
(c) Purchaser Remedy- Horizon's sole obligation hereunder shall be that Horizon will, at its option, (i) repair or (ii)
replace, any Product determined by Horizon to be defective. In the event of a defect, these are the Purchaser's exclusive
remedies. Horizon reserves the right to inspect any and all equipment involved in a warranty claim. Repair or replacement
decisions are at the sole discretion of Horizon. This warranty does not cover cosmetic damage or damage due to acts of
God, accident, misuse, abuse, negligence, commercial use, or modification of or to any part of the Product. This warranty
does not cover damage due to improper installation, operation, maintenance, or attempted repair by anyone other than
Horizon. Return of any goods by Purchaser must be approved in writing by Horizon before shipment.
Damage Limits
HORIZON SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR
PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCT, WHETHER SUCH CLAIM
IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT LIABILITY. Further, in no event shall the liability of
Horizon exceed the individual price of the Product on which liability is asserted. As Horizon has no control over use,
setup, final assembly, modification or misuse, no liability shall be assumed nor accepted for any resulting damage or
injury. By the act of use, setup or assembly, the user accepts all resulting liability.
If you as the Purchaser or user are not prepared to accept the liability associated with the use of this Product, you are
advised to return this Product immediately in new and unused condition to the place of purchase.
Law: These Terms are governed by Illinois law (without regard to conflict of law principals).
Safety Precautions
This is a sophisticated hobby Product and not a toy. It must be operated with caution and common sense and requires
some basic mechanical ability. Failure to operate this Product in a safe and responsible manner could result in injury
or damage to the Product or other property. This Product is not intended for use by children without direct adult
supervision. The Product manual contains instructions for safety, operation and maintenance. It is essential to read
and follow all the instructions and warnings in the manual, prior to assembly, setup or use, in order to operate correctly
and avoid damage or injury.

6
Questions, Assistance, and Repairs
Your local hobby store and/or place of purchase cannot provide warranty support or repair. Once assembly, setup or
use of the Product has been started, you must contact Horizon directly. This will enable Horizon to better answer your
questions and service you in the event that you may need any assistance. For questions or assistance, please direct your
email to [e-mail], or call 877.504.0233 toll free to speak to a service technician.
Inspection or Repairs
If this Product needs to be inspected or repaired, please call for a Return Merchandise Authorization (RMA). Pack
the Product securely using a shipping carton. Please note that original boxes may be included, but are not designed
to withstand the rigors of shipping without additional protection. Ship via a carrier that provides tracking and insurance
for lost or damaged parcels, as Horizon is not responsible for merchandise until it arrives and is accepted
at our facility. A Service Repair Request is available at www.horizonhobby.com on the “Support” tab. If you do not
have internet access, please include a letter with your complete name, street address, email address and phone number
where you can be reached during business days, your RMA number, a list of the included items, method of payment
for any non-warranty expenses and a brief summary of the problem. Your original sales receipt must also be included
for warranty consideration. Be sure your name, address, and RMA number are clearly written on the outside of the
shipping carton.
Warranty Inspection and Repairs
To receive warranty service, you must include your original sales receipt verifying the proof-of-purchase
date. Provided warranty conditions have been met, your Product will be repaired or replaced free of charge. Repair or
replacement decisions are at the sole discretion of Horizon Hobby.
Non-Warranty Repairs
Should your repair not be covered by warranty the repair will be completed and payment will be
required without notification or estimate of the expense unless the expense exceeds 50% of the retail
purchase cost. By submitting the item for repair you are agreeing to payment of the repair without notification. Repair
estimates are available upon request. You must include this request with your repair. Non-warranty repair estimates will
be billed a minimum of ½ hour of labor. In addition you will be billed for return freight. Please advise us of your preferred
method of payment. Horizon accepts money orders and cashiers checks, as well as Visa, MasterCard, American Express,
and Discover cards. If you choose to pay by credit card, please include your credit card number and expiration date. Any
repair left unpaid or unclaimed after 90 days will be considered abandoned and will be disposed of accordingly. Please
note: non-warranty repair is only available on electronics and model engines.
Electronics and engines requiring inspection or repair should be shipped to the following address:
Horizon Service Center
4105 Fieldstone Road
Champaign, Illinois 61822
All other Products requiring warranty inspection or repair should be shipped to the following address:
Horizon Product Support
4105 Fieldstone Road
Champaign, Illinois 61822
Please call 877-504-0233 with any questions or concerns regarding this product or warranty.

7
Safety, Precautions, and Warnings
This model is controlled by a radio signal that is subject to interference from many sources outside your control. This
interference can cause momentary loss of control so it is advisable to always keep a safe distance in all directions around
your model, as this margin will help to avoid collisions or injury.
• Always operate your model in an open area away from cars, traffic, or people.
• Avoid operating your model in the street where injury or damage can occur.
• Never operate the model into the street or populated areas for any reason.
• Never operate your model with low transmitter batteries.
• Carefully follow the directions and warnings for this and any optional support equipment (chargers, rechargeable
battery packs, etc.) that you use.
• Keep all chemicals, small parts and anything electrical out of the reach of children.
• Moisture causes damage to electronics. Avoid water exposure to all equipment not specifically designed and protected
for this purpose.
Contents of Kit
Replacement Parts
A. HAN4501 Left Wing Panel w/Aileron
B. HAN4502 Right Wing Panel w/Aileron
C. HAN4503 Fuselage
D. HAN4504 Stabilizer Set w/Elevators
E. HAN4505 Rudder
F. HAN4506 Landing Gear w/o Wheels
G. HAN4507 Canopy Hatch
H. HAN4508 Wheel Pant Set
I. HAN4509 Cowl
J. HAN4510 Anodized Wing Tube
K. HAN4511 Aluminum Stabilizer Tube Set
L. HAN4512 Steel Stabilizer Tube Set
Items not shown
HAN4514 Decal Set
HAN4515 Tail Wheel Set
HAN4516 Pushrod Set
HAN4513 Fiberglass Pilot
A
B
D
C
E
F
G
H
I
K
J
L

8
Required Parts
• Fuselage • Landing gear
• 3 1/4-inch wheel (2) • #4 washer (4)
• 2-inch axles w/lock nuts • #8 washer (8)
• 4-40 x 1/2-inch socket head screw (4)
• 8-32 x 3/4-inch machine screw (4)
• 3mm x 4mm machine screw (4)
• Wheel pant (left and right)
• 5/32-inch wheel collar (4)
Required Tools and Adhesives
• Adjustable wrench • Phillips screwdriver
• Hex wrench: 3/32-inch • Threadlock
• Rotary tool w/sanding drum or file
Step 1
Remove the two 4-40 socket head bolts that secure the
canopy hatch to the fuselage. Remove the canopy hatch
from the fuselage and set it aside in a safe location.
Step 2
Secure the axles to the landing gear using the provided
nuts and an adjustable wrench.
Step 3
Secure the landing gear to the bottom of the fuselage
using four 8-32 machine screws, four lock nuts and eight
#8 washers. The lock nuts will be inside the fuselage as
shown in the second photo.
Landing Gear Installation

9
Step 4
Use a file or rotary tool to grind a flat area on the
axle where the screws from the wheel coller will be
positioned when tightened.
Note: Use threadlock on all metal-
to-metal fasteners to prevent them
from vibrating loose in flight.
Step 5
Slide a 5/32-inch wheel collar onto the axle then the
wheel. A second wheel collar is then placed on the axle.
Install the 3mm x 4mm machine screws away from the
fuselage so they can be accessed later.
Step 6
Attach the wheel pant to the landing gear using two
4-40 x 1/2-inch socket head screws and two #4 washers.
Step 7
Loosen the 3mm x 4mm machine screws in the wheel
collars. Position the wheel so it is centered in the opening
in the wheel pant. Tighten the screws to secure the wheel
in position.
Landing Gear Installation

10
Required Parts
• Wing (left and right) • CA hinge (8)
• Aileron (left and right) • 8-32 flanged nut (2)
• 2 3/4 pushrod linkage
• Control horn connector (2)
• Ball link end w/hardware(2)
• 8-32 x 2 1/4-inch countersunk screw (2)
Required Tools and Adhesives
• Servo (2) • Thin CA
• String • T-pins
• Rotary tool
• Drill bit: 1/16-inch (1.5mm), 7/65-inch (3mm)
• 9-inch (228mm) servo extension (2)
Step 1
Remove the servo horn from the servo. Secure a
9-inch (305mm) servo extension to the servo lead using
string or a commercially available connector.
Step 2
Tie a weight to a string and lower the weight into the
opening for the aileron servo.
Step 3
Position the wing with the tip up. Allow the weight
and string to lower through the wing and out the root
rib as shown.
Aileron Installation

11
Step 4
Tie the string to the servo extension. Use the string to pull
the servo extension through the wing.
Step 5
Thread the screws to mount the servo into the holes, then
remove them. Apply a few drops of thin CA into the holes
to harden the threads.
Step 6
Use the hardware provided with the servo to secure it in
the wing. The output shaft of the servo will face toward the
aileron. After installing the screws, remove them and soak
thin CA into the holes to harden the threads.
Step 7
Use a rotary tool and 1/16-inch (1.5mm) drill bit to
drill a hole in the center of each of the four hinge slots
in the wing.
Aileron Installation

12
Step 8
Position the aileron against the wing. Transfer the
location of the holes drilled in the previous step to the
aileron. Use a rotary tool and 1/16-inch (1.5mm) drill bit
to drill holes at these locations.
Note: Steps 6 and 7 are to create a
tunnel for the CA to wick into the hinge.
This provides the best bond between
the hinge and gluing surfaces.
Step 9
Place a T-pin in the center of four of the CA hinges.
Step 10
Position the CA hinges in the aileron. The slot in
the hinge will align with the hole drilled in the aileron
in Step 7.
Step 11
Slide the hinges in the aileron into the slots in the wing.
Position the aileron so there is equal distance at each end
between the wing and aileron. Remove the T-pins and
push the aileron tight against the wing. Flex the aileron
and apply thin CA to each of the four hinges. Make sure to
apply CA to both the top and bottom of each hinge.
Note: Do not use CA accelerator on the
hinges. The CA must be allowed to wick
fully into the hinge to provide the best bond
between the hinge and surrounding wood.
Aileron Installation

13
Step 12
Once the CA has fully cured lightly pull on the wing and
aileron to make sure the hinges are securely glued to the
wing and aileron.
Step 13
Flex the aileron up and down a few times to break in
the hinge.
Step 14
Slide the 8-32 x 2 1/4-inch countersunk screw through
the hole in the aileron from the top of the wing. Secure
the screw using an 8-32 flanged nut. Use threadlock on
the screw and nut to prevent vibrations from loosening
the nut.
Step 15
Assemble the aileron linkage using the 2 3/4-inch
control rod, ball end and control horn connector as
shown. The length of the linkage will be approximately
4 inches (102mm).
Aileron Installation

14
Step 18
Secure the servo horn to the servo so it is parallel to the
aileron hinge line. Adjust the length of the linkage so the
aileron is in the neutral position.
Step 19
Repeat Steps 1 through 18 for the remaining wing
and aileron.
Step 16
Thread the control horn connector onto the countersunk
screw so the distance between the control surface and
bottom of the connector is 5/8-inch (16mm).
Step 17
Drill a 7/64-inch (3mm) hole through the control horn
that is 1/2-inch (13mm) from the center ofthe servo arm.
Attach the ball end to the servo horn using the hardware
provided with the kit.
Aileron Installation

15
Required Parts
• Fuselage • Rudder
• CA hinge (4) • 8-32 flanged nut
• Tailwheel assembly • Steering bracket
• Metal clevis • 4-40 nut
• Control horn connector • 1/4-inch tubing
• Steering spring (2)
• 5 1/2-inch (140mm) pushrod
• 8-32 x 2 1/4-inch countersunk screw
• #4 x 5/8-inch sheet metal screw (2)
• #2 x 1/2-inch sheet metal screw (2)
Required Tools and Adhesives
• Drill
• Hex wrench: 3/32-inch • T-pins
• Felt-tipped pen • Pliers
• 18-inch (458mm) servo extension
• Drill bit: 5/64-inch (2mm)
Step 1
Remove the hatch covering the location for the rudder and
elevator servos.
Step 2
Use four CA hinges to attach the rudder to the fin and
fuselage. Follow the same procedure as described in
hinging the ailerons.
Step 3
Install the 8-32 x 2 1/4-inch countersunk screw and secure
it using an 8-32 flanged nut. Use threadlock on the screw
and nut to prevent vibrations from loosening the nut.
Rudder Installation

16
Step 4
Position the tailwheel assembly onto the bottom of the
fuselage. Make sure the bracket is as far forward as
possible but does not overlap onto the servo opening. Use
a felt-tipped pen to mark the locations for the two screws.
Step 5
Drill two 5/64-inch holes at the locations marked in the
previous step.
Step 6
Attach the tailwheel bracket using two #4 x 5/8-inch
sheet metal screws. After installing the screws,
remove them and soak thin CA into the holes to
harden the threads.
Step 7
Position the steering bracket with the front edge roughly
3/4-inch back from the rudder hinge line. Attach the
steering bracket to the bottom of the rudder using two
#2 x 1/2-inch sheet metal screws. After installing the
screws, remove them and soak thin CA into the holes to
harden the threads.
Rudder Installation

17
Step 8
Use the two steering springs to connect the steering
bracket to the tailwheel actuator. You will need to bend the
springs at each end using pliers to make the connections.
Step 9
Attach an 18-inch (458mm) servo extension to the rudder
servo. Install the rudder servo into the fuselage using the
hardware provided with the servo. With the rudder servo
centered using the radio, install a long servo horn onto
the rudder servo positioned so it is perpendicular to the
fuselage center line.
Step 10
Thread the control horn connector onto the countersunk
screw so the distance between the control surface and
bottom of the connector is 13/16-inch (20mm).
Step 11
Assemble and install the linkage for the rudder servo
using a 5 1/2-inch pushrod. The end attaching to the
servo is prepared by threading a 4-40 nut onto the
linkage. Slide a 1/4-inch piece of tubing onto the clevis
and thread the clevis onto the linkage. Adjust the length of
the linkage to approximately 6 1/2-inch (165mm). Attach
the clevis to the control horn so it is 3/4-inch (19mm)
from the center of the servo arm.
Note: Once the linkage has been adjusted to
its final length, tighten the 4-40 nut against
the clevis to keep them from vibrating loose
and changing the length of the linkage.
Important: Use threadlock on
any metal-to-metal fasteners.
Rudder Installation

18
Required Parts
• Fuselage • Stabilizer tube (long)
• Stabilizer tube (short) • 8-32 flanged nut (2)
• Stabilizer (right and left) • #4 washer (2)
• Metal clevis (2) • 4-40 nut (2)
• Control horn connector (2) • 1/4-inch tubing (2)
• 6 1/2-inch (165mm) pushrod linkage (2)
• 8-32 x 2 1/4-inch countersunk screw (2)
• Elevator (right and left)
• 4-40 x 3/8-inch socket head screw
Required Tools and Adhesives
• Ruler • Felt-tipped pen
• Drill • 4-40 tap
• Tap handle
• 18-inch (458mm) servo extension (2)
• Hex wrench: 3/32-inch
• Drill bit: 3/32-inch (2.5mm) or #43
Step 1
Hinge the elevators to the stabilizers following the same
procedure as hinging the ailerons.
Note: The Sundowner is supplied with two
sets of stabilizer tubes. Use the heavier
steel tubes with a heavier engine like the
Evolution 35GT2. The lighter aluminum
tubes are to be used with lighter engine
selections such as the Saito .180 four-stroke.
Step 2
Slide the longer stabilizer tube into the rear fiberglass tube
in the fuselage. Center the rod in the fuselage.
Step 3
Mark the tube at the fuselage using a felt-tipped pen.
Step 4
Remove the tube and slide it into one of the stabilizers
up to the line drawn in the previous step. Use a drill and
3/32-inch (2.5mm) or #43 drill bit to drill a hole into the
tube, but not through the tube.
Stabilizer Installation

19
Step 5
Tap the hole made in the previous step using a 4-40 tap.
Step 6
Secure the tube using a 4-40 x 3/8-inch socket head
screw and #4 washer.
Step 7
Slide the short stabilizer tube into the hole in the
stabilizer toward the leading edge. Slide the assembly
into the fuselage.
Step 8
Slide the remaining stabilizer onto the tubes. Press
the two stabilizers tight against the fuselage. Repeat
Steps 4 through 6 to secure the stabilizer to the tubes
and in the fuselage.
Stabilizer Installation

20
Step 9
Secure an 18-inch servo extension to each of the elevator
servos. Install the servos into the fuselage. Install large
control horns on the servos in-line with each other.
Step 10
Install the 8-32 x 2 1/4-inch countersunk screw and secure
it using an 8-32 flanged nut. Use threadlock on the screw
and nut to prevent vibrations from loosening the nut.
Step 15
Assemble the elevator linkage using the 6 1/2-inch
control rod, clevis, 4-40 nut and 1/4-inch (4mm) tubing
and control horn connector as shown. The length of the
linkage will be approximately 7 1/4-inch (184mm).
Step 11
Thread the control horn connector onto the countersunk
screw so the distance between the control surface and
bottom of the connector is 7/8-inch (22mm).
Stabilizer Installation